Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
huong cua » dung cua
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sach)) - anh huong cua dung ((cong dan) or (cong tan)) than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sach)) - anh huong cua dung ((cong dan) OR (cong tan)) than ban.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sach)) - anh huong cua dung ((cong dan) or (cong tan)) than ban*.