Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong tan, truong thanh
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong san » cong tac
phan cac » nhan cach, phan dau, phan lap

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 nhung ((((cong thanh) OR (cong trinh))) OR (cong san)) phan cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - canh tranh cua nhung ((((cong thanh) OR (cong trinh))) or (cong san)) phan cac~".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh tranh cua nhung ((((cong thanh) OR (cong trinh))) or (cong san)) phan cac*.