Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong va » truong dai, truong cao, truong dao
ho chieu » theo chieu, hoc thieu, doi chieu
trung va » trang va, trung ha, trung tam
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• 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) OR (cong tan)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung va) OR (truong va)) nhung ((cong dan) or (cong tan)) toan cao~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung va) OR (truong va)) nhung ((cong dan) or (cong tan)) toan cao*.