Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
hang doanh » hanh doanh, nhung doanh, van doanh
nhung cong » dung cong, thong cong, hang cong
doanh va » doan va, doanh tai, doanh cua
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: ho ((chieu sach) OR (chiet tach)) - hang doanh va nhung cong dan ((phan dau) or (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - hang doanh va nhung cong dan ((phan dau) OR (hang dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chiet tach)) - hang doanh va nhung cong dan ((phan dau) or (hang dau))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chiet tach)) - hang doanh va nhung cong dan ((phan dau) or (hang dau))*.