Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung cap » truong cao, trung tam
cong vang » cong quang, cong ngang, cong san
cong lang » cong luong, cong quang, cong ngang
ho chieu » theo chieu, hoc thieu, doi chieu
trung ca » truong ca, trung cua, trung can
tuan cap » than cap, thuan cam, toan cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh ((trung ca) OR (trung cap)) trong ((cong vang) or (cong lang)) tuan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung ca) OR (trung cap)) trong ((cong vang) OR (cong lang)) tuan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung ca) OR (trung cap)) trong ((cong vang) or (cong lang)) tuan cap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung ca) OR (trung cap)) trong ((cong vang) or (cong lang)) tuan cap*.