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
han luong » hang luong, phan luong, van luong
tuan han » tuan hoan, luan han, tran han
luong va » dung va
than cap » khan cap, thanh lap, thanh cac
va than » va thanh, van than, va phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu lang) or (nhieu tang)) - ((thanh trung) or (thanh tung)) tuan han luong va than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu lang) OR (nhieu tang)) - ((thanh trung) OR (thanh tung)) tuan han luong va than cap.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu lang) or (nhieu tang)) - ((thanh trung) or (thanh tung)) tuan han luong va than cap*.