Perhaps you should try some spelling variations:
2f sermon » _ sermon, un sermon, 13 sermon
le sermon » late sermon, one sermon, _ sermon
2c david » 2 david, c david, 21 david
march 11 » march 1, march 12
2f d » 2 d, 23 d, 21 d

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: %22williamson%2c david %((2f d) OR (f d)). 1706 %((((2f sermon) OR (a sermon))) OR (le sermon)) preached in edinburgh at the opening of the general assembly of this national church of scotland%2 upon the 10th day of march 11%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22williamson%2c david %((2f d) or (f d)). 1706 %((((2f sermon) OR (a sermon))) or (le sermon)) preached in edinburgh at the opening of the general assembly of this national church of scotland%2 upon the 10th day of march 11%22".
• Adding a wildcard symbol may retrieve word variants: %22williamson%2c david %((2f d) or (f d)). 1706 %((((2f sermon) OR (a sermon))) or (le sermon)) preached in edinburgh at the opening of the general assembly of this national church of scotland%2 upon the 10th day of march 11%22*.