Perhaps you should try some spelling variations:
hanh tranh » hanh trinh, hanh trang, lanh tranh
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cua dung » cua dang, cua dong, qua dung
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty
doan cau » toan cau, doan dau, doan cap

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 chu sach - ((hanh tranh) OR (canh tranh)) cua dung ((cong tap) OR (cong tac)) doan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sach - ((hanh tranh) or (canh tranh)) cua dung ((cong tap) OR (cong tac)) doan cau~".
• Adding a wildcard symbol may retrieve word variants: theo chu sach - ((hanh tranh) or (canh tranh)) cua dung ((cong tap) OR (cong tac)) doan cau*.