Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trong quan » thong quan, tong quan, thong quang
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban
toan tap » toan ban

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 cua) or (trung cap)) dung trong quan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung cua) OR (trung cap)) dung trong quan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung cua) or (trung cap)) dung trong quan ((toan cao) or (toan tap))*.