Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
hanh tang » hanh trang, anh tang, hanh mang
hang cong » dang cong, hang nong, bang cong
tang cua » mang cua, hang cua, tang luan
cua hang » cua dang, cua nhung, cua cong
van tuan » van quan, anh tuan

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 - hanh tang cua hang cong ((tan tran) OR (((van tuan) OR (van ban)))) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh tang cua hang cong ((tan tran) or (((van tuan) OR (van ban)))) cau~".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh tang cua hang cong ((tan tran) or (((van tuan) OR (van ban)))) cau*.