Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
nhung cong » dung cong, thong cong, hang cong
doanh cua » doanh luan
cua nhung » va nhung
chi xanh » chi anh, chi danh, chi hanh
cong san » cong tac
than ban » thanh ban, than man, nhuan ban
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - doanh doanh cua nhung cong san ((than ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - doanh doanh cua nhung cong san ((than ban) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - doanh doanh cua nhung cong san ((than ban) or (toan ban))*.