Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
dung cong » dung trong
cong thuc » cong tac
cua dung » cua dang, cua dong, qua dung
pham ca » pham can, pham ma, pham va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) OR (chinh sach)) - canh doanh cua dung cong thuc pham ca~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chinh sach)) - canh doanh cua dung cong thuc pham ca".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chinh sach)) - canh doanh cua dung cong thuc pham ca*.