Perhaps you should try some spelling variations:
"natural sciences foundation" » "natural sciences foundations", "natural science foundations", "natural science foundation's"
"natural science foundation" » "natural science education"

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: (((("natural science foundation") OR ("natural sciences foundation"))) OR ("natural science communication")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"natural science foundation\") OR (\"natural sciences foundation\"))) or (\"natural science communication\"))".
• Removing quotes may allow a broader search: (((( natural science foundation ) OR ( natural sciences foundation ))) or ( natural science communication )).
• Adding a wildcard symbol may retrieve word variants: (((("natural science foundation") OR ("natural sciences foundation"))) or ("natural science communication"))*.