Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhan khong » nhan thong, nhanh chong, nganh khong
khong cong » thong cong, khong cang, chong cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
van toan » van tuan, van tan, van thanh

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 - hanh doanh nhan khong cong ((tinh toan) or (van toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh doanh nhan khong cong ((tinh toan) OR (van toan)) tap.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh doanh nhan khong cong ((tinh toan) or (van toan)) tap*.