Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, hanh dung
thanh hung » thanh huong, thanh tung, thanh trung
hieu lang » chieu sang, hieu quang, nhieu tang
qua trong » quan trong, qua trinh, qua song
cong van » cong vang, cong san, song van
phan dau » phan tu, hang dau
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 - ((thanh dung) or (thanh hung)) qua trong cong van ((phan dau) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((thanh dung) OR (thanh hung)) qua trong cong van ((phan dau) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((thanh dung) or (thanh hung)) qua trong cong van ((phan dau) or (phan lap))*.