Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
tinh quan » tinh quang, trinh quan, tin quan
quan tong » quan trong, quan dong, quan long
tong cong » trong cong, cong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu

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 - hanh tinh quan tong cong ((van chat) or (cao chat)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh tinh quan tong cong ((van chat) OR (cao chat)) ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh tinh quan tong cong ((van chat) or (cao chat)) ban*.