Here is one that is most likely available:

escape2cambodia

paradisecambodia

cambodiagetaway

relaxincambodia

relaxingcambodia

unwindincambodia

Thats what I came up with in a few minutes, I can do a ton more. This should open up ideas for you if you had a block.

experiencecambodia

funincambodia

tranquilcambodia

cometocambodia

livelycambodia

pleasentcambodia

sensecambodia

splendidcambodia

delightfulcambodia

elegantcambodia

stunningcambodia

vacationcambodia
cambodiavacation