Perhaps you should try some spelling variations:
theo dien » theo tieu, thu dien, thuy dien
dien sach » dien anh
hanh dung » thanh dung, anh dung, hanh dong
cua nhung » va nhung
cua hang » cua dang, cua cong, cua ban
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

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