Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
nong cong » cong cong, tong cong, nang cong
van thanh » van tuan
ban thanh » ban hanh, ban hang

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 (truong cao)) nong cong ((van thanh) OR (ban thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - thanh ((trung cua) OR (truong cao)) nong cong ((van thanh) OR (ban thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - thanh ((trung cua) or (truong cao)) nong cong ((van thanh) OR (ban thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - thanh ((trung cua) or (truong cao)) nong cong ((van thanh) OR (ban thanh)) cau*.