Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
trung cua » truong cua, trung tuan, trung cap
thang cau » hang cau, thong cau, thanh chau
cua hang » cua dang, cua nhung, cua cong
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: hoc ((thieu sach) or (chieu sach)) - thanh trung cua hang ((nong van) OR (nong san)) thang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sach)) - thanh trung cua hang ((nong van) OR (nong san)) thang cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) or (chieu sach)) - thanh trung cua hang ((nong van) OR (nong san)) thang cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (chieu sach)) - thanh trung cua hang ((nong van) OR (nong san)) thang cau*.