Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, thong thong, phong chong
doi chieu » doc hieu, doi chi, ho chieu
doanh cua » doanh luan
tong cong » trong cong, cong cong, dung cong
ban thanh » ban hanh, ban 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 - doanh doanh cua ((thong cong) or (tong cong)) ((tinh toan) or (ban thanh)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - doanh doanh cua ((thong cong) OR (tong cong)) ((tinh toan) OR (ban thanh)) cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - doanh doanh cua ((thong cong) or (tong cong)) ((tinh toan) or (ban thanh)) cao*.