Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, thi chieu
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
theo chu » cho chu, chao chu, theo yeu
cong tac » cong ty
toan ban » van ban

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