Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
ban thanh » ban hanh, ban hang
trung ap » trung cap, trung lap, trung tam
dan toan » van toan, dan than, manh toan
ap dung » xay dung, van dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - thanh trung ap dung cong ((dan toan) or (ban thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh trung ap dung cong ((dan toan) OR (ban thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh trung ap dung cong ((dan toan) or (ban thanh)) cau*.