Perhaps you should try some spelling variations:
27 estate » 7 estate, 1627 estate
2c john » 23 john, 22 john, 20 john
21 john » 11 john, 23 john, 22 john
25 john » 15 john, 23 john, 22 john
c john » 4 john
3 john » 4 john
5 john » 4 john

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: %22orlebar%((((((((2c john) OR (c john))) OR (1((3 john) OR (1 john))))) OR (((21 john) OR (((25 john) OR (5 john))))))) OR (((3 john) OR (1 john)))) %27 estate%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22orlebar%((((((((2c john) or (c john))) or (1((3 john) OR (1 john))))) or (((21 john) or (((25 john) or (5 john))))))) or (((3 john) OR (1 john)))) %27 estate%22".
• Adding a wildcard symbol may retrieve word variants: %22orlebar%((((((((2c john) or (c john))) or (1((3 john) OR (1 john))))) or (((21 john) or (((25 john) or (5 john))))))) or (((3 john) OR (1 john)))) %27 estate%22*.