Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
hinh sinh » tinh sinh, hinh dinh, hinh kinh
cua nhung » va nhung
hoc hieu » hoc thieu, hoc hien, doc hieu
sinh cua » manh cua, dinh cuu, sinh va
cong tan » cong thanh, cong ty, cong ha
cong tac » cong ty
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu lang - hinh sinh cua nhung ((cong tan) or (((cong san) or (cong tac)))) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu lang - hinh sinh cua nhung ((cong tan) OR (((cong san) OR (cong tac)))) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hieu lang - hinh sinh cua nhung ((cong tan) or (((cong san) or (cong tac)))) toan ban*.