Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
chua xang » chua nang, chuc nang, chu bang
luan dung » lan dung, luan dong, luan hung
chu xanh » chu manh, chieu xanh, chuc danh
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) OR (chua xang)) - canh tranh luan dung ((cong tan) or (cong tac)) tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - canh tranh luan dung ((cong tan) OR (cong tac)) tran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chua xang)) - canh tranh luan dung ((cong tan) or (cong tac)) tran cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chua xang)) - canh tranh luan dung ((cong tan) or (cong tac)) tran cau*.