Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
luan nhung » luan chung, luan hung, luan phuong
quan nhung » qua nhung, cua nhung, luan chung
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong hoan » cong hoa, dong hoa, cong san
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan cac, phan tu

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