Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
truong cua » truong ca, truong quan, truong cao
cua nhung » va nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
chan cau » phan cau, can cau, chinh cau

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 truong cua nhung ((cong dan) OR (cong san)) chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sach)) - thanh truong cua nhung ((cong dan) OR (cong san)) chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) or (chieu sach)) - thanh truong cua nhung ((cong dan) OR (cong san)) chan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (chieu sach)) - thanh truong cua nhung ((cong dan) OR (cong san)) chan cau*.