Perhaps you should try some spelling variations:
thanh tranh » thanh thanh, thanh tran, thanh trang
tranh luan » trinh luan, trinh luat, doanh luan
doi khieu » doi chieu, doc hieu, doi hien
luan cong » luat cong, luong cong, luan chung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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: ((doi khieu) or (doi khi)) sang - thanh tranh luan cong ((cong dan) OR (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi khieu) OR (doi khi)) sang - thanh tranh luan cong ((cong dan) OR (cong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi khieu) or (doi khi)) sang - thanh tranh luan cong ((cong dan) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ((doi khieu) or (doi khi)) sang - thanh tranh luan cong ((cong dan) OR (cong san)) toan cau*.