Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tac chinh » tai chinh, tich chinh, te chinh
chinh cau » chinh chau, chinh ca, chinh can
doc hieu » hoc thieu, hoc hien
cong cua » dong cua, huong cua, thong cua
cong tac » cong ty
cong cu » chung cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (toc thieu)) quang - thanh ((cong cua) or (cong cu)) nhung cong tac chinh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) quang - thanh ((cong cua) OR (cong cu)) nhung cong tac chinh cau.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (toc thieu)) quang - thanh ((cong cua) or (cong cu)) nhung cong tac chinh cau*.