Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh duong, thanh tung, thanh hung
ho chieu » theo chieu, hoc thieu, doi chieu
may dung » may duong, xay dung, gay dung
mai dung » mai hung, mai huong, manh dung
van toan » van tuan, van tan, van thanh
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh dung ((may dung) OR (mai dung)) cong ((van toan) or (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh dung ((may dung) OR (mai dung)) cong ((van toan) OR (dan than)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh dung ((may dung) OR (mai dung)) cong ((van toan) or (dan than)) cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh dung ((may dung) OR (mai dung)) cong ((van toan) or (dan than)) cao*.