Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
canh doanh » hanh doanh, chinh doanh, doanh doanh
phung cong » nhung cong, phong cong, nhung chong
hoc thieu » toc thieu, hoc hien
doanh lan » doanh luan, doanh ban, doanh van
hung cong » nhung cong, hung cuong, dung cong
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 - canh doanh lan ((hung cong) OR (phung cong)) tinh toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (hoc thieu)) xanh - canh doanh lan ((hung cong) OR (phung cong)) tinh toan tap~".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc thieu)) xanh - canh doanh lan ((hung cong) OR (phung cong)) tinh toan tap*.