Get a job

Many short term jobs in SihanoukVille if you want to stay a few months.
Engish jobs pay $5 to $7 and their looking for native English speakers who will stay a minimum of 3 months.

Jobs behind a bar at Monkey Republic, Utopia, a couple places off Ocheteaul Beach, right on the beach, and a couple places on Victory Hill. These ususally pay free room, food and booze.