Perhaps you should try some spelling variations:
doanh doanh » doanh hoan, doanh thanh, dong doanh
theo chieu » theo tieu, ho chieu, theo chu
trinh toan » tinh toan, thanh toan, trinh han
hoc thieu » toc thieu, hoc hien
hung cong » nhung cong, hung cuong, phung cong
ban hung » ban huong, ban nhung, ban hang
toan tap » toan 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 (toan doanh)) ban hung cong trinh toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (hoc thieu)) xanh - ((doanh doanh) OR (toan doanh)) ban hung cong trinh toan tap~".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc thieu)) xanh - ((doanh doanh) OR (toan doanh)) ban hung cong trinh toan tap*.