Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
chan ban » can ban, chat ban, chan nan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh trung cua thong ((cong dan) or (cong san)) chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trung cua thong ((cong dan) OR (cong san)) chan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trung cua thong ((cong dan) or (cong san)) chan ban*.