Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
trung ap » trung cap, trung lap, trung tam
cong san » cong tac
toan ban » van ban
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: ho chieu sach - thanh trung ap dung cong san ((((toan ban) or (toan cao))) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung ap dung cong san ((((toan ban) OR (toan cao))) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung ap dung cong san ((((toan ban) or (toan cao))) or (toan tap))*.