Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
manh tran » manh toan, manh tuan, canh tranh
tuan bang » tuan hoang, thuat bang, tuong bang
tuan dang » tran dang, tuan dung, tuan duong
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) OR (chieu sach)) - manh tran ((tuan bang) or (tuan dang)) cong san than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - manh tran ((tuan bang) OR (tuan dang)) cong san than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sach)) - manh tran ((tuan bang) or (tuan dang)) cong san than cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sach)) - manh tran ((tuan bang) or (tuan dang)) cong san than cau*.