Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh doanh » hang doanh, chinh doanh, doanh doanh
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
hang dau » hang va, hang tai

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 - hanh doanh va nhung ((cong dan) or (cong tan)) hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh doanh va nhung ((cong dan) OR (cong tan)) hang dau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh doanh va nhung ((cong dan) or (cong tan)) hang dau*.