Perhaps you should try some spelling variations:
hanh dang » hanh dong, hanh dung, hanh mang
luan hung » luan chung, lan hung, luan ung
hung cong » nhung cong, hung cuong, phung cong
nho hieu » nha hieu, nho sieu, nhu hieu
anh dang » anh dong, anh dung, anh bang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban
ho hieu » ho chieu, hoi hieu, co hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho hieu) OR (nho hieu)) lang - ((hanh dang) or (anh dang)) luan hung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho hieu) OR (nho hieu)) lang - ((hanh dang) OR (anh dang)) luan hung cong tac toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho hieu) OR (nho hieu)) lang - ((hanh dang) or (anh dang)) luan hung cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho hieu) OR (nho hieu)) lang - ((hanh dang) or (anh dang)) luan hung cong tac toan ban*.