Perhaps you should try some spelling variations:
nhieu tang » nhiet nang
chieu sang » chieu sach, chieu xanh
cong thanh » dong thanh, cong trinh, cong tan
thanh dung » thanh duong, thanh tung, thanh hung
hieu lang » hieu quang, hieu van, biet lang
dung cong » dung trong
dan thanh » dang thanh, danh thanh, ban thanh
thanh cha » thanh ha, thanh nha, thanh phan
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((nhieu tang) or (chieu sang))) or (hieu lang)) - thanh cong thanh dung cong dan thanh cha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((nhieu tang) OR (chieu sang))) OR (hieu lang)) - thanh cong thanh dung cong dan thanh cha.
• Adding a wildcard symbol may retrieve word variants: ho ((((nhieu tang) or (chieu sang))) or (hieu lang)) - thanh cong thanh dung cong dan thanh cha*.