Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh dong » anh dong
cong cong » cong dong, trong cong, dung cong
chao chu » cho chu, cua chu, cao cho
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap
ha dong » hoat dong, van dong

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 (chao chu)) sach - ((hanh dong) OR (ha dong)) cua cong cong san toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (chao chu)) sach - ((hanh dong) OR (ha dong)) cua cong cong san toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (chao chu)) sach - ((hanh dong) OR (ha dong)) cua cong cong san toan cau*.