Perhaps you should try some spelling variations:
luong cong » dung cong, trong cong, cong cong
chieu xanh » chieu sach, chieu sang, chieu tinh
chu xanh » chu manh, chua xang, chuc danh
tranh va » tranh van, trang va, trinh va
va luong » van luong, va tuong, va huong
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chieu xanh)) - canh tranh va luong cong ((dan toan) OR (dan than)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chieu xanh)) - canh tranh va luong cong ((dan toan) or (dan than)) cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chieu xanh)) - canh tranh va luong cong ((dan toan) or (dan than)) cau*.