Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, nhung don
doanh cua » doanh luan
hang cong » dang cong, hang nong, bang cong
thang cau » hang cau, thanh chau, nhung cau
thong cau » thong cac, thong cap, thong tu
ho chieu » theo chieu, hoc thieu, doi chieu

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 - canh doanh cua ((nhung cong) or (hang cong)) quang ((thang cau) OR (thong cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh doanh cua ((nhung cong) OR (hang cong)) quang ((thang cau) OR (thong cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh doanh cua ((nhung cong) or (hang cong)) quang ((thang cau) OR (thong cau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh doanh cua ((nhung cong) or (hang cong)) quang ((thang cau) OR (thong cau))*.