Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
lang cong » dang cong, bang cong, hang cong
trang va » hang va
tran van » luan van
van than » van thanh, van thang, van tuan
ban than » ban thanh, van thanh, ban hang
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 - hanh ((trang va) or (tran van)) lang cong ((van than) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh ((trang va) OR (tran van)) lang cong ((van than) OR (ban than)) cau.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh ((trang va) or (tran van)) lang cong ((van than) or (ban than)) cau*.