Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
hieu lang » chieu sang, hieu quang, nhieu tang
thuong va » truong va, thong va, thuong mai
hang cong » dang cong, bang cong, thanh cong
hang nong » thang long, han tong
doc hieu » toc thieu, hoc thieu, hoc hien
tac than » tac thanh, tam than, tac nhan
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu lang - thanh thuong va ((hang cong) or (hang nong)) tac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu lang - thanh thuong va ((hang cong) OR (hang nong)) tac than cap*.