Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
doi khieu » doi chieu, doc hieu, doi hien
luan dong » luan cong, quan dong, luan nong
dong cong » duong cong, dung cong, dang cong
cong tac » cong ty
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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

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