Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
dung cong » dung trong
thanh cao » thanh cac, thanh thao, thanh cham
theo toc » ho toc, thac toc, theo bo
theo don » theo dong, theo doi, theo duong
cua dung » cua dang, cua dong, qua dung
cong van » cong vang, cong san, song van
thanh ca » thanh cha, thanh cac, thanh ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo toc) or (theo don)) sach - canh doanh cua dung cong van ((thanh cao) OR (thanh ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo toc) OR (theo don)) sach - canh doanh cua dung cong van ((thanh cao) OR (thanh ca)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo toc) or (theo don)) sach - canh doanh cua dung cong van ((thanh cao) OR (thanh ca))".
• Adding a wildcard symbol may retrieve word variants: ((theo toc) or (theo don)) sach - canh doanh cua dung cong van ((thanh cao) OR (thanh ca))*.