Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tang » thanh thang, thanh trang, thanh tung
cho dung » cho ung, cao dung, chan dung
cho dong » cho cong, co dong, pho dong
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh tang ((cho dung) OR (cho dong)) trong ((dan than) OR (van than)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh tang ((cho dung) or (cho dong)) trong ((dan than) OR (van than)) cau~".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh tang ((cho dung) or (cho dong)) trong ((dan than) OR (van than)) cau*.