Perhaps you should try some spelling variations:
21 organizations » 1 organizations, 21 organization, 25 organizations
11 organizations » 1.1 organizations, 11 organization, 1 organizations
6 institutions » 3 institutions, 4 institutions, 5 institutions

Try widening your search to All Fields.

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: %22education %((21 organizations) OR (11 organizations)) %6 institutions%22.
• Adding a wildcard symbol may retrieve word variants: %22education %((21 organizations) or (11 organizations)) %6 institutions%22*.