Perhaps you should try some spelling variations:
r.c bishop » f.r.s bishop
2015 saint » 2013 saint, 2015 san, 2015 joint
128 bishop » 1748 bishop, 1725 bishop, 11 bishop
21 saint » 2 saint, 2013 saint, 2021 saint
25 saint » 5 saint, 15 saint, 25 saving
a bishop » _ bishop

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 %((((2015 saint) OR (1 saint))) OR (((21 saint) OR (25 saint))))%((((r.c bishop) OR (128 bishop))) OR (a bishop)) of smyrna%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22polycarp %((((2015 saint) or (1 saint))) or (((21 saint) OR (25 saint))))%((((r.c bishop) or (128 bishop))) or (a bishop)) of smyrna%22".
• Adding a wildcard symbol may retrieve word variants: %22polycarp %((((2015 saint) or (1 saint))) or (((21 saint) OR (25 saint))))%((((r.c bishop) or (128 bishop))) or (a bishop)) of smyrna%22*.