What is web-fonts (preferably available from Google Fonts) supports Khmer UI.
I have tried to define font-family:khmer ui; but it does not render even t
font-family:khmer ui;
Add this link to your page:
Then apply the style for any element you want:
font-family: 'Khmer', cursive;
For more info take a look here: https://www.google.com/fonts#UsePlace:use/Collection:Khmer