Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
tranh vat » trinh vat, tranh va, tranh van
vat nhung » va nhung, vap nhung, vai nhung
nho hieu » nha hieu, nho sieu, nhu hieu
cong tan » cong tac, cong san, cong thanh
can cau » ban cau, ca cau, cac cau
van cau » van dau, van hau, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: nho hieu lang - canh tranh vat nhung ((cong tan) or (huong dan)) ((can cau) or (van cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho hieu lang - canh tranh vat nhung ((cong tan) OR (huong dan)) ((can cau) OR (van cau)).
• Adding a wildcard symbol may retrieve word variants: nho hieu lang - canh tranh vat nhung ((cong tan) or (huong dan)) ((can cau) or (van cau))*.