Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
canh ban » can ban, canh dan, canh van
cong tan » cong tac, cong san, cong thanh
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
ban cua » ban quan

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 ban cua nhung ((cong dong) OR (cong tan)) ((toan cau) OR (toan cao))~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh ban cua nhung ((cong dong) or (cong tan)) ((toan cau) or (toan cao))*.