Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
dong doanh » dung doanh, trong doanh, doanh doanh
hoan quan » hoang quan, khoan quan, hoa quan
quan dong » quang dong, quan long, quan hoang
dong dong » dong duong, cong dong, dung dong
theo chu » theo chieu, cho chu, chao chu
ho chieu » theo chieu, hoc thieu, doi chieu
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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) OR (ho chieu)) sang - doanh hoan quan dong dong doanh ((phan cac) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (ho chieu)) sang - doanh hoan quan dong dong doanh ((phan cac) OR (phan dau))~".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (ho chieu)) sang - doanh hoan quan dong dong doanh ((phan cac) OR (phan dau))*.