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
cua nhung » va nhung
cong tac » cong ty
phan cau » phan dau, phan cac, phan tu
cong ha » cong hoa, dong ha, cong cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - canh tranh cua nhung ((((cong ha) or (cong tac))) or (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh tranh cua nhung ((((cong ha) OR (cong tac))) OR (cong san)) phan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh tranh cua nhung ((((cong ha) or (cong tac))) or (cong san)) phan cau*.