Perhaps you should try some spelling variations:
science theories » science theory, science three
nato science » radio science, national science
theories b » theories 3, theories 4, theories 1
10 physics » 12 physics, 10 physical, 3 physics
14 physics » 1 physics, 4 physics, 12 physics
2 physics » 2 physical

Try widening your search to All Fields.

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 b%3a%((((10 physics) OR (14 physics))) OR (2 physics))%22.
• Adding a wildcard symbol may retrieve word variants: %nato science theories b%3a%((((10 physics) or (14 physics))) or (2 physics))%22*.