Perhaps you should try some spelling variations:
physical sciences » medical sciences
science series » science services, science stories, science theories
aware services » aware service, care services, software services
core services » care services, azure services, e services

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