Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong san » cong tac
toan tap » toan ban

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 - hanh trung cua nhung ((cong thanh) or (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh trung cua nhung ((cong thanh) OR (cong san)) toan tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh trung cua nhung ((cong thanh) or (cong san)) toan tap*.