Perhaps you should try some spelling variations:
nano science » nato science, radio science, nanoscience _
2c physics » 2 physics, 2d physics, 20 physics
22 physics » 2.2 physics, 2 physics, 12 physics
stories b » stories _, stories c, stories 2
stories a » stories _

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: %nano science ((stories b) OR (stories a))%3a%((2c physics) OR (22 physics))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%nano science ((stories b) OR (stories a))%3a%((2c physics) or (22 physics))%22".
• Adding a wildcard symbol may retrieve word variants: %nano science ((stories b) OR (stories a))%3a%((2c physics) or (22 physics))%22*.