If your Internet Explorer version 5.x or higher can not display correctly Vietnamese language on website when you visit it; the following picture is a website using unicode but it can not be displayed correctly in your browser:
Follow these steps to fix the problem:
1. From "Tools" Menu, select "Internet Options"
2. Click on buttons "Fonts"
3. In the list box: Web page fonts: scroll and select Arial or Verdana or Tahoma, then click "OK" button
4. Click on "View" menu, select "Encoding". Make sure that you have already "checked off" "Auto-select" select Unicode(UTF-8) as your display font.
After you did the above steps, the web page should be displayed clearly like the following picture.