Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
thanh ban » thanh san, thanh van, thanh bai
thanh bac » nhanh bac, thanh bai, thanh san
cong san » cong tac

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 - thanh ((trung cua) or (trung cap)) nhung cong san ((thanh ban) or (thanh bac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - thanh ((trung cua) OR (trung cap)) nhung cong san ((thanh ban) OR (thanh bac)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - thanh ((trung cua) or (trung cap)) nhung cong san ((thanh ban) or (thanh bac))*.