Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu lang » chieu sang, hieu quang, nhieu tang
trinh han » trinh quan
han nhung » hanh nhung, hon nhung, ban nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac
ho hieu » ho chieu, hoi hieu, nho hieu

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 lang - hanh trinh han nhung ((cong dan) or (cong tan)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh trinh han nhung ((cong dan) OR (cong tan)) than cap.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh trinh han nhung ((cong dan) or (cong tan)) than cap*.