Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
canh doanh » hanh doanh, chinh doanh, doanh doanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
doanh cua » doanh luan
cua khong » hua khong, cua phuong, cua thuong
chuan dao » chuan doan, chuan iso, chuan ha
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tac » cong ty
doanh » danh, toanh, soanh
doan » dan, toan, soan

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 manh - canh doanh cua khong cong tac ((chuan dao) or (chan doan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - canh doanh cua khong cong tac ((chuan dao) OR (chan doan)).
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - canh doanh cua khong cong tac ((chuan dao) or (chan doan))*.