Perhaps you should try some spelling variations:
physical sciences » medical sciences
science theories » science theory, science three
national science » natural science, animal science, natural sciences
spatial science » social science
nato science » radio 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 theories 1.3:, mathematical AND physical sciences ) OR ( ((national science) OR (spatial science)) theories 3:, mathematical AND physical sciences )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( nato science theories 1.3:, mathematical and physical sciences ) or ( ((national science) OR (spatial science)) theories 3:, mathematical and physical sciences ))".
• Adding a wildcard symbol may retrieve word variants: (( nato science theories 1.3:, mathematical and physical sciences ) or ( ((national science) OR (spatial science)) theories 3:, mathematical and physical sciences ))*.