Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
nuoc cong » hoc cong
nho hieu » nha hieu, nho sieu, nhu hieu
anh nang » ganh nang, anh bang, anh dang
luc cong » luoc cong, duc cong, luc dong
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan dau » phan tu, hang dau

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 - anh nang ((luc cong) or (nuoc cong)) cong tan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho hieu lang - anh nang ((luc cong) OR (nuoc cong)) cong tan phan dau.
• Adding a wildcard symbol may retrieve word variants: nho hieu lang - anh nang ((luc cong) or (nuoc cong)) cong tan phan dau*.