Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
cap tong » cap nong, cap hoang, gap trong
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan tap » toan ban

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: ho chieu sach - hanh trung cap tong ((cong dan) OR (cong tac)) ((van ban) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trung cap tong ((cong dan) or (cong tac)) ((van ban) or (toan tap))*.