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 » manh cua
doanh cua » doanh luan
dong cong » duong cong, dung cong, dang cong
cong san » cong tac
hang dau » hang va, hang tai

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