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
chong cong » cong cong, thong cong, cuong cong
van thanh » ban thanh, van tuan
doc hieu » toc thieu, hoc thieu, hoc hien
van toan » van tuan, van tan, manh toan
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: ((doc hieu) or (doi chi)) sang - thanh tranh luan chong cong ((van toan) OR (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (doi chi)) sang - thanh tranh luan chong cong ((van toan) OR (van thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (doi chi)) sang - thanh tranh luan chong cong ((van toan) OR (van thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (doi chi)) sang - thanh tranh luan chong cong ((van toan) OR (van thanh)) cau*.