Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
thanh hung » thanh huong, thanh tung, thanh trung
nhanh hung » nhanh hong, nhanh chuong, nhanh quang
hieu manh » chieu xanh, hieu nganh, dieu hanh
nhan hung » phan hung, nhan ung, phan chung
hoc hieu » hoc thieu, hoc hien, doc hieu
cong dan » cong san, cong tan, huong dan
gian cau » gian chau, gian cac, gian cam

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 hung) OR (thanh hung))) or (nhanh hung)) cong dan gian cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh doanh ((((nhan hung) OR (thanh hung))) OR (nhanh hung)) cong dan gian cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - hanh doanh ((((nhan hung) OR (thanh hung))) or (nhanh hung)) cong dan gian cau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh doanh ((((nhan hung) OR (thanh hung))) or (nhanh hung)) cong dan gian cau*.