Perhaps you should try some spelling variations:
national science » natural science, spatial science, animal science
rational science » traditional science, rational defence, educational science
regional science » regional scale

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: %((national science) OR (((rational science) OR (regional science)))) foundation%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((national science) or (((rational science) OR (regional science)))) foundation%22".
• Adding a wildcard symbol may retrieve word variants: %((national science) or (((rational science) OR (regional science)))) foundation%22*.