Perhaps you should try some spelling variations:
thanh truong » thanh thuong, thanh tung, thanh huong
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
va dung » van dung, va duong, vat dung

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 - ((thanh truong) OR (thanh trung)) va dung cong dan than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((thanh truong) OR (thanh trung)) va dung cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((thanh truong) OR (thanh trung)) va dung cong dan than cau*.