Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cua » truong ca, truong quan, truong cao
duong cong » dung cong, luong cong, duong trong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung ha » trung hoc, trung tam, trung cap
cong dan » cong san, cong tan, huong dan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh ((trung ha) or (truong cua)) duong cong dan ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((trung ha) OR (truong cua)) duong cong dan ((toan ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((trung ha) or (truong cua)) duong cong dan ((toan ban) or (toan tap))*.