Perhaps you should try some spelling variations:
15 matthew » _ matthew, 6 matthew, 8 matthew
dr matthew » mr matthew, sir matthew, dr mayhew
24 sermons » 2 sermons, 14 sermons, 4 sermons
1722 early » 1727 early
2c 51 » 24 51, c 51, 21 51
20 51 » 290 51, 20 21, 24 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 %((15 matthew) OR (dr matthew)) xxviii%((2c 51) OR (20 51)) %24 sermons %1722 early works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22bible %2f n.t %((15 matthew) OR (dr matthew)) xxviii%((2c 51) or (20 51)) %24 sermons %1722 early works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22bible %2f n.t %((15 matthew) OR (dr matthew)) xxviii%((2c 51) or (20 51)) %24 sermons %1722 early works to 1800%22*.