Perhaps you should try some spelling variations:
trung cong » truong cong, trong cong, trung uong
hieu lang » chieu sang, hieu quang, nhieu tang
cua trung » cua truong, xuan trung, cua nhung
thanh chu » thanh chau, thanh cha, thanh thu
thanh cac » hanh cac, thanh bac, thanh ca
anh nang » ganh nang, anh bang, anh sang
anh dang » anh dong, anh dung, anh bang
cong tac » cong ty
ho hieu » ho chieu, hoi hieu, nho 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 lang - ((anh nang) or (anh dang)) cua trung cong tac ((thanh chu) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((anh nang) OR (anh dang)) cua trung cong tac ((thanh chu) OR (thanh cac)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((anh nang) or (anh dang)) cua trung cong tac ((thanh chu) or (thanh cac))*.