Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
doanh va » doan va, doanh tai, doanh cua
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan dau » hang dau

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 va nhung ((cong dan) OR (cong tan)) ((phan dau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - doanh doanh va nhung ((cong dan) OR (cong tan)) ((phan dau) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - doanh doanh va nhung ((cong dan) OR (cong tan)) ((phan dau) or (phan tu))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - doanh doanh va nhung ((cong dan) OR (cong tan)) ((phan dau) or (phan tu))*.