Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
chi tinh » chai tinh, chi minh, chi binh
hoan cua » hoa cua, toan cua, han cua
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, van than, dang thanh
ban than » ban thanh, van thanh, ban hang
doi chi » doi khi

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: doi chi tinh - doanh hoan cua nhung cong ((dan toan) OR (((dan than) OR (ban than)))) cao~.
• Adding a wildcard symbol may retrieve word variants: doi chi tinh - doanh hoan cua nhung cong ((dan toan) or (((dan than) or (ban than)))) cao*.