Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
truong va » truong dai, truong cao, truong dao
dan khanh » dang khanh, van khanh, dat khanh
khanh cap » hanh cap, khan cap, hanh cac
ho chieu » theo chieu, hoc thieu, doi chieu
trung va » trang va, trung ha, trung tam
cong dan » cong san, cong tan, huong dan

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