Perhaps you should try some spelling variations:
schuman foundational » schuman foundation, human foundations, common foundational
foundational studies » foundational issues, educational studies, mutational studies
silliman foundation » sloan foundation, schuman foundation, symbian foundation
foundation studies » oxidation studies, foundation stones, validation studies

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: (( the silliman foundation studies ) OR ( the schuman foundational studies )).
• Adding a wildcard symbol may retrieve word variants: (( the silliman foundation studies ) or ( the schuman foundational studies ))*.