Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
thanh tung » thanh cong
hieu lang » chieu sang, hieu quang, hieu van
dang cong » dung cong
tung cua » trung cua, tuong cua, dung cua
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac
lien » bien, vien, tien

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) or (nhieu tang))) or (lien quan)) - thanh tung cua dang cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu lang) OR (nhieu tang))) OR (lien quan)) - thanh tung cua dang cong tan than cap.
• Adding a wildcard symbol may retrieve word variants: ho ((((hieu lang) or (nhieu tang))) or (lien quan)) - thanh tung cua dang cong tan than cap*.