Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
theo chieu » theo tieu, ho chieu, thi chieu
luan cong » luat cong, luong cong, luan chung
cong cong » cong dong, trong cong, dung cong
theo chu » cho chu, chao chu, theo yeu
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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: ((theo chieu) OR (theo chu)) sach - canh tranh luan cong cong dan ((toan cau) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) sach - canh tranh luan cong cong dan ((toan cau) or (toan tap))*.