Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cua truong » cua trung, xuan truong, cac truong
hanh tang » hanh trang, hanh mang, hanh tung
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh tang) OR (anh tang)) cua truong ((cong tap) OR (cong tac)) dan ca~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((hanh tang) OR (anh tang)) cua truong ((cong tap) or (cong tac)) dan ca~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tang) OR (anh tang)) cua truong ((cong tap) or (cong tac)) dan ca*.