Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
ho chieu » theo chieu, hoc thieu, doi chieu
cap bang » can bang, lap bang, cac bang
cao bang » cao dang, cao tang, cao nang
cong dan » cong san, cong tan, huong dan
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, 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: ho chieu sach - thanh tung ((cap bang) or (cao bang)) cong dan ((phan cau) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung ((cap bang) OR (cao bang)) cong dan ((phan cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh tung ((cap bang) or (cao bang)) cong dan ((phan cau) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung ((cap bang) or (cao bang)) cong dan ((phan cau) OR (phan dau))*.