Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu lang » chieu sang, hieu quang, nhieu tang
van thang » van khang, van hang, van than
van phong » van dong, hai phong
duong van » duong va, luong va, dang van
van thanh » ban thanh, van tuan
thanh bac » nhanh bac, thanh bai, thanh san
nha hieu » nha dieu, nghe hieu, phan hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: nha hieu lang - hanh trinh ((van thang) or (van phong)) duong van thanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nha hieu lang - hanh trinh ((van thang) OR (van phong)) duong van thanh bac*.