Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
doanh doanh » toan doanh, doanh hoan, doanh thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong cong » cong dong, trong cong, dung cong
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan

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 - ((doanh doanh) or (chinh doanh)) thanh cong cong tan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((doanh doanh) OR (chinh doanh)) thanh cong cong tan phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((doanh doanh) or (chinh doanh)) thanh cong cong tan phan tu*.