Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh dung » thanh duong, thanh tung, thanh hung
cua trung » cua truong, xuan trung, cua nhung
ho chieu » hoc thieu, doi chieu, mot chieu
dung cua » dung luan, dung cho
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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: ((ho chieu) OR (theo chieu)) xanh - thanh dung cua trung ((cong tan) OR (cong san)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) xanh - thanh dung cua trung ((cong tan) OR (cong san)) toan tap~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - thanh dung cua trung ((cong tan) OR (cong san)) toan tap*.