Perhaps you should try some spelling variations:
luan chung » luan chinh
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
anh nang » ganh nang, anh dang, anh sang
anh bang » anh hoang, anh quang, tinh bang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - ((anh nang) or (anh bang)) luan chung ((cong dan) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - ((anh nang) OR (anh bang)) luan chung ((cong dan) OR (cong tan)) toan ban.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - ((anh nang) or (anh bang)) luan chung ((cong dan) or (cong tan)) toan ban*.