Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung cap » truong cao, trung tam
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » trung cua, tuong cua, dung cua
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan ban » can ban, chat ban, chan nan

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 ((tung cua) or (trung cap)) bang cong dan chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((tung cua) OR (trung cap)) bang cong dan chan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((tung cua) or (trung cap)) bang cong dan chan ban*.