Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu sach » chinh sach, chiet tach, chieu sang
doanh cua » doanh luan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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 - doanh doanh cua ((dang cong) or (dung cong)) dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - doanh doanh cua ((dang cong) OR (dung cong)) dan toan tap*.