Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
nhung cong » dung cong, thong cong, hang cong
chinh cua » chinh ca, chinh sua, hinh cua
cua nhung » va nhung
hoi hieu » hoi phieu, hoi tieu, moi hieu
cong san » cong tac
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: hoi hieu quang - hanh chinh cua nhung cong san ((toan tap) or (((toan cao) or (toan ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi hieu quang - hanh chinh cua nhung cong san ((toan tap) OR (((toan cao) OR (toan ban)))).
• Adding a wildcard symbol may retrieve word variants: hoi hieu quang - hanh chinh cua nhung cong san ((toan tap) or (((toan cao) or (toan ban))))*.