Perhaps you should try some spelling variations:
doanh thanh » danh thanh, doanh nhan, dinh thanh
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
doanh hoan » doanh doanh, doanh khoa, doanh nhan
ho chieu » theo chieu, hoc thieu, mot chieu
va trong » va truong, va thong, va tuong
tung va » trung va, tuong va, dung va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh tung va trong ((doanh thanh) or (doanh hoan)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung va trong ((doanh thanh) OR (doanh hoan)) phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung va trong ((doanh thanh) or (doanh hoan)) phan tu*.