Perhaps you should try some spelling variations:
matthew xxviii » matthew xiii, matthew xxv, matthew vii
matthew xxii » matthew xxv, matthew xvi
21 sermons » 2 sermons, 6 sermons, 14 sermons
1 sermons » 2 sermons
2f early » 20 early, 21 early, ef early
22 early » 2 early, 12 early, 1722 early
2c 51 » 24 51, c 51, 20 51

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))%2c 51 %((21 sermons) OR (1 sermons)) %((2f early) OR (22 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))%2c 51 %((21 sermons) or (1 sermons)) %((2f early) OR (22 early)) works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22bible %2f n.t %2f ((matthew xxviii) or (matthew xxii))%2c 51 %((21 sermons) or (1 sermons)) %((2f early) OR (22 early)) works to 1800%22*.