Perhaps you should try some spelling variations:
trong thuong » thong thuong, trong tuong, cong thuong
trong chuong » thong chuong, trong chong, trong cong
hieu lang » chieu sang, hieu quang, nhieu tang
manh tran » manh toan, manh tuan, canh tranh
tran tuan » tran xuan, tran quang, tran thanh
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chinh sach)) - manh tran tuan ((trong thuong) or (trong chuong)) van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chinh sach)) - manh tran tuan ((trong thuong) OR (trong chuong)) van toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chinh sach)) - manh tran tuan ((trong thuong) or (trong chuong)) van toan cau*.