Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh thanh, dong doanh
theo chieu » theo tieu, ho chieu, theo chu
doanh hoan » doanh khoa, doanh nhan, doanh luan
nhan chung » nha chung, phan chung, nhanh chuong
chung cong » nhung cong, chong cong, phung cong
hoc thieu » toc thieu, hoc hien
cong tinh » cong trinh, cong vinh, long tinh
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 chieu) OR (hoc thieu)) xanh - ((doanh doanh) OR (doanh hoan)) nhan chung cong tinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (hoc thieu)) xanh - ((doanh doanh) OR (doanh hoan)) nhan chung cong tinh toan ban~".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc thieu)) xanh - ((doanh doanh) OR (doanh hoan)) nhan chung cong tinh toan ban*.