Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong thanh » dong thanh, cong trinh, cong tan
trung cua » truong cua, trung tuan, trung cap
nho hieu » nha hieu, nhu hieu, nghe hieu
nho sieu » nghe sieu, hoc sieu, anh sieu
cua dang » cua cong, cua ban
cong tac » cong ty
than cap » khan cap, thanh lap, thanh cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((nho hieu) OR (nho sieu)) lang - thanh trung cua dang ((cong tac) OR (cong thanh)) than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nho hieu) OR (nho sieu)) lang - thanh trung cua dang ((cong tac) or (cong thanh)) than cap~".
• Adding a wildcard symbol may retrieve word variants: ((nho hieu) OR (nho sieu)) lang - thanh trung cua dang ((cong tac) or (cong thanh)) than cap*.