Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh dung » thanh dung, anh dung, hanh dong
luan hung » luan chung, lan hung, luan ung
van nang » van quang, van ban, van dong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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 chieu) OR (hoc hien)) sach - hanh dung ((luan hung) OR (van nang)) cong tan toan cau~.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc hien)) sach - hanh dung ((luan hung) or (van nang)) cong tan toan cau*.