Perhaps you should try some spelling variations:
citational science » relational science, computational science, occupational science
irrational science » rational sciences, relational science, international science
national science » natural science, spatial science, animal science
rational science » regional science, traditional science, rational defence

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