Perhaps you should try some spelling variations:
2.2 radio » 12 radio
2c radio » 28 radio, 25 radio, 2s radio
22 radio » 12 radio, 5.2 radio, 8.2 radio
c radio » 8 radio, 9 radio, hoc radio
2c tv » c tv, pc tv
2c tc » 23 tc, 2a tc, 2b tc

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: %22print%((((2c radio) OR (((22 radio) OR (2.2 radio))))) OR (c radio))%((((((2c tv) OR (2c tc))) OR (27 tv))) OR (2c pv)) %_ cinema%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22print%((((2c radio) or (((22 radio) OR (2.2 radio))))) or (c radio))%((((((2c tv) or (2c tc))) or (27 tv))) or (2c pv)) %_ cinema%22".
• Adding a wildcard symbol may retrieve word variants: %22print%((((2c radio) or (((22 radio) OR (2.2 radio))))) or (c radio))%((((((2c tv) or (2c tc))) or (27 tv))) or (2c pv)) %_ cinema%22*.