Perhaps you should try some spelling variations:
cong chuong » cong thuong, cong huong, cong phuong
nhieu tang » chieu sang, hieu lang, nhiet nang
cong chung » cong hung, cong thuong, cong cong
trinh cua » tinh cua, trinh luat, trinh quan
tranh cua » doanh cua, manh cua
ho nhieu » hop nhieu, ho chieu, he nhieu
dong tai » dung tai, luong tai, cong tac
tai cau » tai cac, tai cao

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 - hanh ((trinh cua) or (tranh cua)) ((cong chuong) OR (cong chung)) dong tai cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho nhieu tang - hanh ((trinh cua) OR (tranh cua)) ((cong chuong) OR (cong chung)) dong tai cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho nhieu tang - hanh ((trinh cua) or (tranh cua)) ((cong chuong) OR (cong chung)) dong tai cau".
• Adding a wildcard symbol may retrieve word variants: ho nhieu tang - hanh ((trinh cua) or (tranh cua)) ((cong chuong) OR (cong chung)) dong tai cau*.