Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
luan tuong » luan luong, luat thuong, xuan truong
quan trong » gian trong
hieu manh » chieu xanh, hieu nganh, dieu hanh
gian chau » gian cham, gian cua, gian cac
doc hieu » toc thieu, hoc thieu, hoc hien
cong van » cong vang, cong san, song van
van gian » van giang, dan gian, van giao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu manh - hanh doanh ((luan tuong) or (quan trong)) cong van gian chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - hanh doanh ((luan tuong) OR (quan trong)) cong van gian chau.
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - hanh doanh ((luan tuong) or (quan trong)) cong van gian chau*.