Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
dung cong » dung trong
manh cua » ban cua
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac
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 ((doanh cua) or (manh cua)) ((dang cong) or (dung cong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh ((doanh cua) OR (manh cua)) ((dang cong) OR (dung cong)) dan than cap.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh ((doanh cua) or (manh cua)) ((dang cong) or (dung cong)) dan than cap*.