Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
thanh toan » thanh hoa, thanh san, tinh toan
tranh cua » doanh cua, manh cua
dung cong » dung trong
ban thanh » ban hanh, ban hang
cua dung » cua dang, cua dong, qua dung
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) OR (chiet tach)) - canh tranh cua dung cong ban thanh toan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chiet tach)) - canh tranh cua dung cong ban thanh toan".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chiet tach)) - canh tranh cua dung cong ban thanh toan*.