{"id":18,"date":"2023-07-22T07:08:25","date_gmt":"2023-07-22T07:08:25","guid":{"rendered":"https:\/\/ungdung.hotronghiencuu.com\/open\/?p=18"},"modified":"2023-07-22T14:08:25","modified_gmt":"2023-07-22T07:08:25","slug":"linh-vuc-tin-hoc-nghien-cuu-ve-van-de-gi","status":"publish","type":"post","link":"https:\/\/ungdung.hotronghiencuu.com\/open\/linh-vuc-tin-hoc-nghien-cuu-ve-van-de-gi","title":{"rendered":"L\u0129nh v\u1ef1c tin h\u1ecdc nghi\u00ean c\u1ee9u v\u1ec1 v\u1ea5n \u0111\u1ec1 g\u00ec"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_40 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-6acf4d2760571\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-6acf4d2760571\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/linh-vuc-tin-hoc-nghien-cuu-ve-van-de-gi\/#Linh_vuc_tin_hoc_nghien_cuu_ve_van_de_gi\" title=\"L\u0129nh v\u1ef1c tin h\u1ecdc nghi\u00ean c\u1ee9u v\u1ec1 v\u1ea5n \u0111\u1ec1 g\u00ec\">L\u0129nh v\u1ef1c tin h\u1ecdc nghi\u00ean c\u1ee9u v\u1ec1 v\u1ea5n \u0111\u1ec1 g\u00ec<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/linh-vuc-tin-hoc-nghien-cuu-ve-van-de-gi\/#Mot_so_vi_du_ve_de_tai_nghien_cuu_tin_hoc_cho_hoc_sinh\" title=\"M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u tin h\u1ecdc cho h\u1ecdc sinh\">M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u tin h\u1ecdc cho h\u1ecdc sinh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/linh-vuc-tin-hoc-nghien-cuu-ve-van-de-gi\/#Mot_so_vi_du_ve_de_tai_nghien_cuu_tin_hoc_cap_bo\" title=\"M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u tin h\u1ecdc c\u1ea5p b\u1ed9\">M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u tin h\u1ecdc c\u1ea5p b\u1ed9<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Linh_vuc_tin_hoc_nghien_cuu_ve_van_de_gi\"><\/span>L\u0129nh v\u1ef1c tin h\u1ecdc nghi\u00ean c\u1ee9u v\u1ec1 v\u1ea5n \u0111\u1ec1 g\u00ec<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L\u0129nh v\u1ef1c tin h\u1ecdc nghi\u00ean c\u1ee9u v\u1ec1 nhi\u1ec1u v\u1ea5n \u0111\u1ec1 kh\u00e1c nhau li\u00ean quan \u0111\u1ebfn c\u00f4ng ngh\u1ec7 th\u00f4ng tin v\u00e0 m\u00e1y t\u00ednh. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 ch\u00ednh m\u00e0 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u trong l\u0129nh v\u1ef1c tin h\u1ecdc quan t\u00e2m:<\/p>\n<ol>\n<li>Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (Artificial Intelligence &#8211; AI): Nghi\u00ean c\u1ee9u v\u1ec1 vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng v\u00e0 thu\u1eadt to\u00e1n c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 h\u1ecdc, t\u01b0 duy v\u00e0 ra quy\u1ebft \u0111\u1ecbnh gi\u1ed1ng ho\u1eb7c t\u01b0\u01a1ng t\u1ef1 con ng\u01b0\u1eddi. C\u00e1c ch\u1ee7 \u0111\u1ec1 nghi\u00ean c\u1ee9u trong l\u0129nh v\u1ef1c AI bao g\u1ed3m h\u1ecdc m\u00e1y (machine learning), th\u1ecb gi\u00e1c m\u00e1y t\u00ednh (computer vision), x\u1eed l\u00fd ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean (natural language processing), v\u00e0 robot h\u1ecdc.<\/li>\n<li>M\u1ea1ng m\u00e1y t\u00ednh v\u00e0 vi\u1ec5n th\u00f4ng: Nghi\u00ean c\u1ee9u v\u1ec1 thi\u1ebft k\u1ebf, ph\u00e1t tri\u1ec3n, v\u00e0 qu\u1ea3n l\u00fd m\u1ea1ng m\u00e1y t\u00ednh, m\u1ea1ng kh\u00f4ng d\u00e2y v\u00e0 vi\u1ec5n th\u00f4ng. Bao g\u1ed3m c\u00e1c ch\u1ee7 \u0111\u1ec1 nh\u01b0 m\u1ea1ng c\u1ea3m bi\u1ebfn kh\u00f4ng d\u00e2y, m\u1ea1ng di \u0111\u1ed9ng, m\u1ea1ng x\u00e3 h\u1ed9i, giao th\u1ee9c m\u1ea1ng, an ninh m\u1ea1ng, v\u00e0 qu\u1ea3n l\u00fd m\u1ea1ng.<\/li>\n<li>H\u1ec7 th\u1ed1ng nh\u00fang (Embedded Systems): Nghi\u00ean c\u1ee9u v\u1ec1 vi\u1ec7c ph\u00e1t tri\u1ec3n v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng t\u00edch h\u1ee3p \u0111i\u1ec7n t\u1eed, ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00e1c thi\u1ebft b\u1ecb v\u00e0 \u1ee9ng d\u1ee5ng nh\u00fang nh\u01b0 \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, thi\u1ebft b\u1ecb y t\u1ebf, xe t\u1ef1 h\u00e0nh, v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng.<\/li>\n<li>Truy\u1ec1n th\u00f4ng \u0111a ph\u01b0\u01a1ng ti\u1ec7n (Multimedia): Nghi\u00ean c\u1ee9u v\u1ec1 x\u1eed l\u00fd, m\u00e3 h\u00f3a, n\u00e9n v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u \u0111a ph\u01b0\u01a1ng ti\u1ec7n bao g\u1ed3m h\u00ecnh \u1ea3nh, \u00e2m thanh, video, v\u00e0 c\u00e1c \u0111\u1ecbnh d\u1ea1ng truy\u1ec1n th\u00f4ng kh\u00e1c.<\/li>\n<li>C\u00f4ng ngh\u1ec7 web v\u00e0 \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng: Nghi\u00ean c\u1ee9u v\u1ec1 thi\u1ebft k\u1ebf, ph\u00e1t tri\u1ec3n v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c \u1ee9ng d\u1ee5ng web, \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng, v\u00e0 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 t\u1ea1o ra tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1ed1t v\u00e0 hi\u1ec7u qu\u1ea3.<\/li>\n<li>An to\u00e0n v\u00e0 b\u1ea3o m\u1eadt th\u00f4ng tin: Nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u00f4ng tin c\u00e1 nh\u00e2n, d\u1eef li\u1ec7u v\u00e0 h\u1ec7 th\u1ed1ng kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda, t\u1ea5n c\u00f4ng v\u00e0 l\u1ed7 h\u1ed5ng an ninh.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Mot_so_vi_du_ve_de_tai_nghien_cuu_tin_hoc_cho_hoc_sinh\"><\/span>M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u tin h\u1ecdc cho h\u1ecdc sinh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1<strong> \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u tin h\u1ecdc d\u00e0nh cho h\u1ecdc sinh<\/strong>:<\/p>\n<ol>\n<li>\u1ee8ng d\u1ee5ng di \u0111\u1ed9ng d\u00e0nh cho gi\u00e1o d\u1ee5c: Nghi\u00ean c\u1ee9u v\u1ec1 vi\u1ec7c ph\u00e1t tri\u1ec3n m\u1ed9t \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng \u0111\u1ec3 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp c\u1ee7a h\u1ecdc sinh, v\u00ed d\u1ee5 nh\u01b0 \u1ee9ng d\u1ee5ng h\u1ecdc t\u1eeb v\u1ef1ng, \u1ee9ng d\u1ee5ng gi\u1ea3i to\u00e1n hay \u1ee9ng d\u1ee5ng h\u1ecdc ng\u00f4n ng\u1eef.<\/li>\n<li>X\u00e2y d\u1ef1ng trang web c\u00e1 nh\u00e2n: Nghi\u00ean c\u1ee9u v\u1ec1 vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 x\u00e2y d\u1ef1ng m\u1ed9t trang web c\u00e1 nh\u00e2n \u0111\u1ec3 chia s\u1ebb th\u00f4ng tin v\u1ec1 b\u1ea3n th\u00e2n, s\u1edf th\u00edch, ho\u1ea1t \u0111\u1ed9ng v\u00e0 th\u00e0nh t\u1ef1u c\u00e1 nh\u00e2n.<\/li>\n<li>H\u1ecdc m\u00e1y trong ph\u00e2n lo\u1ea1i \u1ea3nh: Nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n h\u1ecdc m\u00e1y \u0111\u1ec3 ph\u00e2n lo\u1ea1i \u1ea3nh, v\u00ed d\u1ee5 nh\u01b0 x\u00e2y d\u1ef1ng m\u1ed9t m\u00f4 h\u00ecnh nh\u1eadn di\u1ec7n lo\u1ea1i \u0111\u1ed9ng v\u1eadt ho\u1eb7c c\u00e2y c\u1ee5 th\u1ec3 t\u1eeb \u1ea3nh.<\/li>\n<li>An to\u00e0n m\u1ea1ng: Nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt trong m\u1ea1ng m\u00e1y t\u00ednh, bao g\u1ed3m ph\u00e2n t\u00edch c\u00e1c l\u1ed7 h\u1ed5ng an ninh, t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c k\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng m\u1ea1ng v\u00e0 \u0111\u1ec1 xu\u1ea5t c\u00e1c bi\u1ec7n ph\u00e1p ng\u0103n ch\u1eb7n v\u00e0 b\u1ea3o v\u1ec7.<\/li>\n<li>Ph\u00e2n t\u00edch d\u1eef li\u1ec7u x\u00e3 h\u1ed9i: Nghi\u00ean c\u1ee9u v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u0111\u1ec3 kh\u00e1m ph\u00e1 th\u00f4ng tin t\u1eeb c\u00e1c n\u1ec1n t\u1ea3ng m\u1ea1ng x\u00e3 h\u1ed9i nh\u01b0 Twitter ho\u1eb7c Facebook, \u0111\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1 xu h\u01b0\u1edbng, \u00fd ki\u1ebfn \u200b\u200bc\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 t\u01b0\u01a1ng t\u00e1c x\u00e3 h\u1ed9i.<\/li>\n<li>Robot h\u1ecdc: Nghi\u00ean c\u1ee9u v\u1ec1 vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 l\u1eadp tr\u00ecnh robot \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 c\u1ee5 th\u1ec3, nh\u01b0 robot \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng ho\u1eb7c robot ph\u1ee5c v\u1ee5 trong nh\u00e0.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Mot_so_vi_du_ve_de_tai_nghien_cuu_tin_hoc_cap_bo\"><\/span>M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u tin h\u1ecdc c\u1ea5p b\u1ed9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 <strong>\u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u tin h\u1ecdc c\u1ea5p b\u1ed9<\/strong>:<\/p>\n<ol>\n<li>Ph\u00e1t tri\u1ec3n m\u1ed9t thu\u1eadt to\u00e1n t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 t\u0103ng hi\u1ec7u su\u1ea5t v\u00e0 t\u1ed1i \u0111a h\u00f3a t\u00e0i nguy\u00ean trong m\u1ea1ng m\u00e1y t\u00ednh.<\/li>\n<li>Nghi\u00ean c\u1ee9u v\u1ec1 h\u1ecdc m\u00e1y v\u00e0 khai ph\u00e1 d\u1eef li\u1ec7u \u0111\u1ec3 ph\u00e2n t\u00edch v\u00e0 d\u1ef1 \u0111o\u00e1n xu h\u01b0\u1edbng v\u00e0 h\u00e0nh vi ng\u01b0\u1eddi d\u00f9ng tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i.<\/li>\n<li>T\u00ecm hi\u1ec3u v\u00e0 ph\u00e1t tri\u1ec3n m\u1ed9t h\u1ec7 th\u1ed1ng th\u00f4ng minh d\u1ef1a tr\u00ean tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o \u0111\u1ec3 ph\u00e2n lo\u1ea1i v\u00e0 x\u1eed l\u00fd t\u1ef1 \u0111\u1ed9ng c\u00e1c email spam.<\/li>\n<li>Nghi\u00ean c\u1ee9u v\u00e0 thi\u1ebft k\u1ebf m\u1ed9t h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt m\u1ea1ng d\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7 blockchain \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n v\u00e0 b\u1ea3o m\u1eadt c\u1ee7a d\u1eef li\u1ec7u.<\/li>\n<li>Ph\u00e2n t\u00edch v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u00e1m m\u00e2y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, tin c\u1eady v\u00e0 hi\u1ec7u n\u0103ng cao trong vi\u1ec7c cung c\u1ea5p d\u1ecbch v\u1ee5.<\/li>\n<li>Nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n m\u1ed9t giao th\u1ee9c m\u1edbi cho m\u1ea1ng kh\u00f4ng d\u00e2y \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng truy\u1ec1n th\u00f4ng v\u00e0 gi\u1ea3m \u0111\u1ed9 tr\u1ec5.<\/li>\n<li>T\u00ecm hi\u1ec3u v\u00e0 \u1ee9ng d\u1ee5ng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o trong vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 d\u1ef1 \u0111o\u00e1n h\u00e0nh vi c\u1ee7a ng\u01b0\u1eddi d\u00f9ng tr\u00ean c\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng.<\/li>\n<li>Nghi\u00ean c\u1ee9u v\u00e0 thi\u1ebft k\u1ebf m\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng th\u00f4ng qua m\u1ea1ng IoT (Internet of Things) \u0111\u1ec3 qu\u1ea3n l\u00fd v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c thi\u1ebft b\u1ecb trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng th\u00f4ng minh.<\/li>\n<li>Nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng ngh\u1ec7 m\u1edbi trong l\u0129nh v\u1ef1c truy\u1ec1n th\u00f4ng \u0111a ph\u01b0\u01a1ng ti\u1ec7n v\u00e0 x\u1eed l\u00fd \u1ea3nh \u0111\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t.<\/li>\n<li>T\u00ecm hi\u1ec3u v\u00e0 \u1ee9ng d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc m\u00e1y \u0111\u1ec3 t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng nh\u1eadn d\u1ea1ng v\u00e0 ph\u00e2n t\u00edch h\u00ecnh \u1ea3nh trong l\u0129nh v\u1ef1c nh\u1eadn di\u1ec7n khu\u00f4n m\u1eb7t, nh\u1eadn d\u1ea1ng \u0111\u1ed1i t\u01b0\u1ee3ng, v.v.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>L\u0129nh v\u1ef1c tin h\u1ecdc nghi\u00ean c\u1ee9u v\u1ec1 v\u1ea5n \u0111\u1ec1 g\u00ec L\u0129nh v\u1ef1c tin h\u1ecdc nghi\u00ean c\u1ee9u v\u1ec1 nhi\u1ec1u v\u1ea5n \u0111\u1ec1 kh\u00e1c nhau li\u00ean quan \u0111\u1ebfn c\u00f4ng ngh\u1ec7&#8230; 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