Perhaps you should try some spelling variations:
21 sermons » 2 sermons, 1 sermons, 6 sermons
1720 early » 1727 early, 1820 early, 1770 early
25 matthew » 15 matthew, 22 matthew, _ matthew
2f matthew » 22 matthew, _ matthew, j matthew
2 matthew » 22 matthew, 42 matthew, _ matthew
20 early » 10 early, 1820 early
2c 51 » c 51, 20 51, 21 51

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) OR (25 matthew))) OR (2 matthew)) xxii%((2c 51) OR (24 51)) %21 sermons %((20 early) OR (1720 early)) works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22bible %2f n.t %((((2f matthew) OR (25 matthew))) or (2 matthew)) xxii%((2c 51) or (24 51)) %21 sermons %((20 early) or (1720 early)) works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22bible %2f n.t %((((2f matthew) OR (25 matthew))) or (2 matthew)) xxii%((2c 51) or (24 51)) %21 sermons %((20 early) or (1720 early)) works to 1800%22*.