diff --git a/free-courses-vi.md b/free-courses-vi.md
index 49c05ef29..28c75c9dc 100644
--- a/free-courses-vi.md
+++ b/free-courses-vi.md
@@ -1,8 +1,11 @@
 ### Index
 
 * [AJAX](#ajax)
+* [Angular](#angular)
 * [AngularJS](#angularjs)
+* [ASP.NET](#asp)
 * [Bootstrap](#bootstrap)
+* [C#](#c-sharp)
 * [CSS](#css)
 * [HTML](#html)
 * [Javascript](#javascript)
@@ -13,6 +16,7 @@
 * [Python](#python)
 * [Ruby](#ruby)
 * [SQL](#sql)
+* [TypeScript](#typescript)
 * [Xcode](#xcode)
 * [XML](#xml)
 
@@ -22,16 +26,33 @@
 * [Học AJAX](http://www.hoclaptrinh.org/Hoc-AJAX)
 
 
+### Angular
+
+* [Angular 2 Cơ Bản](https://tedu.com.vn/khoa-hoc/khoa-hoc-angular2-can-ban-10.html) - TEDU
+
+
 ### AngularJS
 
 * [AngularJS Cơ Bản](http://www.hoclaptrinh.org/Angular-JS-Co-Ban)
 
 
+### ASP 
+
+* [Khóa học ASP.NET Core cơ bản](https://tedu.com.vn/khoa-hoc/khoa-hoc-aspnet-core-co-ban-14.html) - TEDU
+
+
 ### Bootstrap
 
 * [Twitter Bootstrap](http://www.hoclaptrinh.org/Twitter-Bootstrap)
 
 
+### C-Sharp
+
+* [C# Căn Bản](https://www.youtube.com/watch?v=9kohr6pMwag&list=PL33lvabfss1wUj15ea6W0A-TtDOrWWSRK)
+* [C# Căn Bản](https://www.youtube.com/watch?v=YgtY0RRM7WQ&list=PLRhlTlpDUWsyOEc-S8ovGVG5L92mZEjVu&index=1) - TEDU
+* [C# Nâng Cao](https://www.youtube.com/watch?v=j-UpmHdqV5Q&list=PLRhlTlpDUWszTdteJzP68F8Q6gRYvhohk&index=1) - TEDU
+
+
 ### CSS
 
 * [CSS Cơ Bản](http://www.hoclaptrinh.org/CSS-Co-Ban)
@@ -45,11 +66,13 @@
 ### Javascript
 
 * [Javascript Cơ Bản](http://www.hoclaptrinh.org/JavaScript-Co-Ban)
+* [Javascript Cơ Bản](https://tedu.com.vn/khoa-hoc/khoa-hoc-java-script-can-ban-12.html) - TEDU
 
 
 ### jQuery
 
 * [jQuery Cơ Bản](http://www.hoclaptrinh.org/jQuery-Co-Ban)
+* [jQuery Cơ bản](https://www.youtube.com/watch?v=AEMXXWrJmHU&index=1&list=PLRhlTlpDUWsyAGY7FDGSndEhOD3F2Ruhm) - TEDU
 
 
 ### NodeJS
@@ -82,11 +105,16 @@
 * [SQL Cơ Bản](http://www.hoclaptrinh.org/SQL-Co-Ban)
 
 
-### XML
+### TypeScript
 
-* [XML Cơ Bản](https://www.hoclaptrinh.org/XML-Co-Ban)
+* [TypeScript căn bản (ES6)](https://tedu.com.vn/khoa-hoc/khoa-hoc-su-dung-typescript-can-ban-9.html) - TEDU
 
 
 ### Xcode
 
 * [Xcode Cơ Bản](https://www.hoclaptrinh.org/Xcode-Co-Ban)
+
+
+### XML
+
+* [XML Cơ Bản](https://www.hoclaptrinh.org/XML-Co-Ban)