Perhaps you should try some spelling variations:
thinh sach » chinh sach, tinh sach, sinh sach
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua hang » cua dang, cua nhung, cua cong
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (tien or vien) thinh sach - hanh tranh cua hang ((cong tan) OR (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (tien OR vien) thinh sach - hanh tranh cua hang ((cong tan) OR (cong tac)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(tien or vien) thinh sach - hanh tranh cua hang ((cong tan) OR (cong tac)) toan ban".
• Adding a wildcard symbol may retrieve word variants: (tien or vien) thinh sach - hanh tranh cua hang ((cong tan) OR (cong tac)) toan ban*.