First, you need to install the application RSS Reader or RSS Aggregator or Newsreader on your computer to display, read and manage RSS feeds.
There are a number of RSS Reader applications available for free or commercial use. You can find out the available RSS readers at Download.com.
The next step is to find RSS feeds of your interest on vietaz.com. In most browsers, you can simply right click on the icon , copy the URL, and then paste it into the "Add Channel" feature in your RSS reader.