Perhaps you should try some spelling variations:
cua phuong » cuu phuong, cuc phuong, luan phuong
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cao » toan cao, thai cao, than cap
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 - canh tranh cua phuong ((cong dan) or (cong tan)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - canh tranh cua phuong ((cong dan) OR (cong tan)) than cao.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - canh tranh cua phuong ((cong dan) or (cong tan)) than cao*.