Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
anh dung » anh huong, ung dung, ap dung
anh dong » anh huong, anh son
cong tac » cong ty
tac van » tac vang, cac van, tac va

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 xanh - ((((anh dung) OR (anh dong))) OR (sach dung)) cua thong cong tac van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - ((((anh dung) OR (anh dong))) or (sach dung)) cua thong cong tac van ban~".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((((anh dung) OR (anh dong))) or (sach dung)) cua thong cong tac van ban*.