Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cam » trung cap, trung nam, trung ca
hang cong » dang cong, hang nong, bang cong
cong san » cong tac
phan cau » phan dau, phan cac, phan tu
than cap » khan cap, thanh lap, thanh cac

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 cam) OR (trung tam)) hang cong san ((phan cau) OR (than cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - thanh ((trung cam) OR (trung tam)) hang cong san ((phan cau) or (than cap))~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - thanh ((trung cam) OR (trung tam)) hang cong san ((phan cau) or (than cap))*.