Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
cong dan » cong san, cong tan, huong dan
toan ban » van ban
ho chau » ha chau, ho chu, khoa chau
o chau » a chau, 3 chau, moc chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chau) or (o chau)) tinh - canh tranh luan chung cong dan ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chau) OR (o chau)) tinh - canh tranh luan chung cong dan ((toan ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((ho chau) or (o chau)) tinh - canh tranh luan chung cong dan ((toan ban) or (toan tap))*.