Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
hanh tang » hanh trang, anh tang, hanh mang
tang cua » mang cua, hang cua, tang luan
cua hang » cua dang, cua nhung, cua cong
nong dan » cong dan, nguong dan, huong dan
nong san » cong san, dong san, trong san
than man » than ma, thanh san, tran manh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chinh sach)) - hanh tang cua hang ((nong dan) OR (nong san)) than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chinh sach)) - hanh tang cua hang ((nong dan) OR (nong san)) than man.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chinh sach)) - hanh tang cua hang ((nong dan) OR (nong san)) than man".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chinh sach)) - hanh tang cua hang ((nong dan) OR (nong san)) than man*.