Perhaps you should try some spelling variations:
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
hanh dang » hanh dong, hanh dung, hanh mang
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 chung 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 chung cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho hieu) or (nho hieu)) lang - ((hanh dang) or (anh dang)) luan chung cong tac toan ban*.