Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
lanh tranh » lan tranh, hanh trinh, sach tranh
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
thanh hai » thanh phan, thanh hoa, thanh san
nong van » song van, nong dan, tong van
nong san » cong san, dong san, nong dan

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 - ((lanh tranh) or (canh tranh)) cua nhung ((nong van) or (nong san)) thanh hai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((lanh tranh) OR (canh tranh)) cua nhung ((nong van) OR (nong san)) thanh hai.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((lanh tranh) or (canh tranh)) cua nhung ((nong van) or (nong san)) thanh hai*.