Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
cuong bai » uong bi, cuong ma
cua tong » cua cong, cua dong, cua nong
cong bai » cong hai, cung bai, cong ba
toan cau » toan cao, toan tap, toan tai
toan ban » van 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: doi chieu sach - canh tranh cua tong ((cong bai) OR (cuong bai)) ((toan cau) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh tranh cua tong ((cong bai) or (cuong bai)) ((toan cau) or (toan ban))*.