Perhaps you should try some spelling variations:
dieu tang » dieu trang, kieu trang, dieu tuong
chinh cua » chinh ca, chinh sua, hinh cua
cua nhung » va nhung
cong lang » cong vang, cong luong, cong quang
cong van » cong vang, song van, cong tan
cong san » cong tac
toan ban » van ban
he dieu » hoc dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: he dieu tang - hanh chinh cua nhung ((((cong van) or (cong san))) or (cong lang)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: he dieu tang - hanh chinh cua nhung ((((cong van) OR (cong san))) OR (cong lang)) toan ban.
• Adding a wildcard symbol may retrieve word variants: he dieu tang - hanh chinh cua nhung ((((cong van) or (cong san))) or (cong lang)) toan ban*.