Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
thanh bac » nhanh bac, thanh bai, thanh san
ho chieu » theo chieu, hoc thieu, doi chieu
van dung » van dong, xay dung
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh

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