Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
hanh doan » hanh doanh, thanh toan, thinh doan
cong dan » cong san, cong tan, huong dan
phan dau » phan tu
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 doan va nhung cong dan ((phan dau) OR (hang dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh doan va nhung cong dan ((phan dau) OR (hang dau))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh doan va nhung cong dan ((phan dau) OR (hang dau))*.