Perhaps you should try some spelling variations:
2f saint » 2 saint, 21 saint, a saint
25 saint » 2015 saint, 25 saving, 25 saying
15 saint » 1 saint, 18 saint, 10 saint
16 saint » 1 saint, 18 saint, 10 saint
5 saint » 5 saints, 1 saint, 2 saint

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: %22polycarp %((((((2f saint) OR (25 saint))) OR (((((15 saint) OR (5 saint))) OR (16 saint))))) OR (_ saint))%r.c bishop of smyrna%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22polycarp %((((((2f saint) OR (25 saint))) or (((((15 saint) or (5 saint))) or (16 saint))))) or (_ saint))%r.c bishop of smyrna%22".
• Adding a wildcard symbol may retrieve word variants: %22polycarp %((((((2f saint) OR (25 saint))) or (((((15 saint) or (5 saint))) or (16 saint))))) or (_ saint))%r.c bishop of smyrna%22*.