Perhaps you should try some spelling variations:
2f sermons » 2 sermons, 21 sermons, 24 sermons
2f matthew » 22 matthew, 25 matthew, _ matthew
2 matthew » 22 matthew, 25 matthew, 42 matthew
1.2 early » 1722 early, 1702 early, 1792 early
20 early » 10 early, 1820 early, 1720 early
12 early » 11 early, 1722 early, 1702 early
21 51 » 241 51, 24 51, 21 31
c 51 » c 1, _ 51, c 11
c 5 » ch 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 %((2f matthew) OR (2 matthew)) xxviii%((21 51) OR (((c 51) OR (c 5)))) %2f sermons %((((1.2 early) OR (12 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) or (2 matthew)) xxviii%((21 51) or (((c 51) OR (c 5)))) %2f sermons %((((1.2 early) or (12 early))) or (20 early)) works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22bible %2f n.t %((2f matthew) or (2 matthew)) xxviii%((21 51) or (((c 51) OR (c 5)))) %2f sermons %((((1.2 early) or (12 early))) or (20 early)) works to 1800%22*.