Perhaps you should try some spelling variations:
matthew xxviii » matthew xiii, matthew xxv, matthew vii
matthew xxii » matthew xxv, matthew xvi
2f sermons » 2 sermons, 21 sermons, 24 sermons
2f early » 21 early, ef early, f early
20 early » 10 early, 1820 early, 1720 early
c 51 » c 1, c 5, c 11
_ 51 » _ 1, _ 5, _ 5g

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: %22bible %2f n.t %2f ((matthew xxviii) OR (matthew xxii))%((2((c 51) OR (_ 51))) OR (((c 51) OR (_ 51)))) %2f sermons %((2f early) OR (20 early)) works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22bible %2f n.t %2f ((matthew xxviii) or (matthew xxii))%((2((c 51) OR (_ 51))) or (((c 51) OR (_ 51)))) %2f sermons %((2f early) or (20 early)) works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22bible %2f n.t %2f ((matthew xxviii) or (matthew xxii))%((2((c 51) OR (_ 51))) or (((c 51) OR (_ 51)))) %2f sermons %((2f early) or (20 early)) works to 1800%22*.