Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
phan dau » hang dau

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