Perhaps you should try some spelling variations:
21 sermons » 2 sermons, 14 sermons, 8 sermons
15 matthew » _ matthew, j matthew, k matthew
1 sermons » 2 sermons
6 sermons » 2 sermons
22 early » 2 early, 12 early, 1722 early
2c 51 » 24 51, c 51, 21 51
20 51 » 20 21, 24 51, 20 5

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 %15 matthew xxv%((2c 51) OR (20 51)) %((((21 sermons) OR (1 sermons))) OR (6 sermons)) %22 early works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22bible %2f n.t %15 matthew xxv%((2c 51) or (20 51)) %((((21 sermons) OR (1 sermons))) or (6 sermons)) %22 early works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22bible %2f n.t %15 matthew xxv%((2c 51) or (20 51)) %((((21 sermons) OR (1 sermons))) or (6 sermons)) %22 early works to 1800%22*.