Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thanh thong » thanh hong, thanh thang, thanh chuong
dung doanh » dung dan, dung dong
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, nhieu tang
cong ban » cong bang, cong san, cong tan
ban hang » ngan hang

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 (hieu lang)) - dung doanh ((thanh thong) or (thanh thuong)) cong ban hang va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (hieu lang)) - dung doanh ((thanh thong) OR (thanh thuong)) cong ban hang va.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (hieu lang)) - dung doanh ((thanh thong) or (thanh thuong)) cong ban hang va*.