Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
cong tac » cong ty
chan cap » khan cap, than cap, phan cac
cao cap » cao chat

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: hoc chieu sach - thanh ((trung tam) OR (truong cua)) nhung cong tac ((chan cap) OR (cao cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - thanh ((trung tam) or (truong cua)) nhung cong tac ((chan cap) OR (cao cap))~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - thanh ((trung tam) or (truong cua)) nhung cong tac ((chan cap) OR (cao cap))*.