Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
tranh qua » tranh cua, thanh qua, trinh qua
hang cong » dang cong, hang nong, bang cong
ho chau » ha chau, ho chu, o chau
van tan » van tuan, van ban, van tai
tan cau » toan cau, van cau, tan ca
a chau » ha chau, lai chau, hat chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chau) or (a chau)) tinh - canh tranh qua ((nhung cong) OR (hang cong)) van tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chau) OR (a chau)) tinh - canh tranh qua ((nhung cong) OR (hang cong)) van tan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chau) or (a chau)) tinh - canh tranh qua ((nhung cong) OR (hang cong)) van tan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chau) or (a chau)) tinh - canh tranh qua ((nhung cong) OR (hang cong)) van tan cau*.