Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
trung cap » trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
han cong » phan cong, hang cong, hanh cong
cong van » cong vang, cong san, song van
phan cau » phan dau, phan cac, phan lap

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