Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
trung tuan » trung thanh, trung tam, tran tuan
dang nong » dang cong, hang nong, tang nong
van thanh » ban thanh, van tuan
thanh cau » thanh chau, thanh mau, nhanh cau
dung cua » dung luan, dung cho
nong van » song van, nong dan, nong san

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sach) OR (chiet tach)) - hanh ((dung cua) or (trung tuan)) dang nong van thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (chiet tach)) - hanh ((dung cua) OR (trung tuan)) dang nong van thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sach) OR (chiet tach)) - hanh ((dung cua) or (trung tuan)) dang nong van thanh cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) OR (chiet tach)) - hanh ((dung cua) or (trung tuan)) dang nong van thanh cau*.