Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
ho chieu » theo chieu, hoc thieu, doi chieu
vat dung » viet dung, mat duong, xay dung
van dung » van dong, xay dung, tin dung
cong dan » cong san, cong tan, huong dan
va dung » va duong, va ung, va dong
dan van » dang van, doan van, dao van

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 ((vat dung) or (((va dung) OR (van dung)))) cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung ((vat dung) OR (((va dung) OR (van dung)))) cong dan van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh trung ((vat dung) or (((va dung) OR (van dung)))) cong dan van ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung ((vat dung) or (((va dung) OR (van dung)))) cong dan van ban*.