Perhaps you should try some spelling variations:
thanh tranh » thanh thanh, thanh tran, thanh trang
tranh luan » trinh luan, trinh luat, doanh luan
luan chong » luan chung, luan cong, luan phong
doi chieu » doc hieu, ho chieu, mot chieu
cong van » cong vang, song van, cong tan
cong san » cong tac
toan cao » toan ban, toan tap
doi chi » doi khi

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) or (doi chi)) sang - thanh tranh luan chong ((cong van) OR (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) sang - thanh tranh luan chong ((cong van) OR (cong san)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (doi chi)) sang - thanh tranh luan chong ((cong van) OR (cong san)) toan cao*".