Perhaps you should try some spelling variations:
chieu tach » chiet tach, chieu sach, chiu trach
tranh luan » trinh luan, trinh luat, doanh luan
hung thang » cang thang, hung tran
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
thanh tu » hanh tu, nhanh tu, thanh tung

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tach - canh tranh luan ((hung thang) OR (nhung cong)) dinh thanh tu~.
• Adding a wildcard symbol may retrieve word variants: doi chieu tach - canh tranh luan ((hung thang) or (nhung cong)) dinh thanh tu*.