Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung cap » truong cao, trung tam
cap nhung » cam nhung, vap nhung, dap nhung
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - hanh trung cap nhung ((cong dan) or (cong tac)) khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh trung cap nhung ((cong dan) OR (cong tac)) khan cap*.