Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
luan trong » luat trong, luan tuong, luong trong
quan trong » gian trong
gian chau » gian cham, gian cua, gian cac
hoc dieu » 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: hoc dieu hanh - hanh doanh ((luan trong) or (quan trong)) cong van gian chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu hanh - hanh doanh ((luan trong) OR (quan trong)) cong van gian chau.
• Adding a wildcard symbol may retrieve word variants: hoc dieu hanh - hanh doanh ((luan trong) or (quan trong)) cong van gian chau*.