Perhaps you should try some spelling variations:
hanh dung » thanh dung, anh dung, manh dung
hanh dong » anh dong, ha dong
luan nang » luan van, van nang, luan san
nang cong » nang song, dang cong, bang cong
chu bang » thu bang, chuc nang, chu quang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
cho chu » cho thue

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chu bang - ((hanh dung) or (hanh dong)) luan nang cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu bang - ((hanh dung) OR (hanh dong)) luan nang cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: cho chu bang - ((hanh dung) or (hanh dong)) luan nang cong dan than cao*.