Perhaps you should try some spelling variations:
physical sciences » medical sciences
science stories » science studies, science theories
science series » science services, science theories, sciences serious
nato science » national science

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: (((( nato science stories c:, mathematical AND physical sciences ) OR ( radio science stories c:, mathematical AND physical sciences ))) OR ( nato science series c:, mathematical AND physical sciences )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( nato science stories c:, mathematical and physical sciences ) OR ( radio science stories c:, mathematical and physical sciences ))) or ( nato science series c:, mathematical and physical sciences ))".
• Adding a wildcard symbol may retrieve word variants: (((( nato science stories c:, mathematical and physical sciences ) OR ( radio science stories c:, mathematical and physical sciences ))) or ( nato science series c:, mathematical and physical sciences ))*.