Perhaps you should try some spelling variations:
phung cong » nhung cong, phong cong, nhung chong
chua xang » chua nang, chuc nang, chu bang
cha chua » chay chua, ca chua, chi chua
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man
dan dat » dung dat, dong dat, dinh dat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: cha chua xang - anh ((dan dat) or (nang suat)) phung cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cha chua xang - anh ((dan dat) OR (nang suat)) phung cong dan than ban*.