Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
hanh nhan » thanh nhan, danh nhan, anh nhan
tong cong » trong cong, cong cong, dung cong
nhan cua » nhat cua, nhan luc, nhan su
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan tap, toan tai

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 nhan cua tong cong tan ((toan cau) or (((toan ban) or (van ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh nhan cua tong cong tan ((toan cau) OR (((toan ban) OR (van ban)))).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh nhan cua tong cong tan ((toan cau) or (((toan ban) or (van ban))))*.