Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
hang cong » dang cong, hang nong, bang cong
cong nang » cong ngang, cong lang, cong nong
ho chieu » theo chieu, hoc thieu, doi chieu
quan dau » qua dau, quan dac, quan doan
quan cau » quang cao, toan cau, quan ha

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