Perhaps you should try some spelling variations:
trinh doanh » trinh danh, kinh doanh, chinh doanh
hanh trinh » canh tranh, hanh chinh
doanh dung » doanh chung, doanh nhung, doanh quang
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu tich » chu thich, thu tich, co tich
cong san » cong tac
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tich - hanh trinh doanh dung cong san ((((toan cao) OR (toan tap))) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: theo chu tich - hanh trinh doanh dung cong san ((((toan cao) or (toan tap))) or (toan ban))*.