Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
truong va » truong dai, truong cao, truong dao
hang cong » dang cong, hang nong, bang cong
trung va » trang va, trung ha, trung tam
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
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 va) or (truong va)) hang cong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((trung va) OR (truong va)) hang cong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((trung va) or (truong va)) hang cong dan ((toan cau) or (toan ban))*.