Perhaps you should try some spelling variations:
27 estate » 7 estate, 1627 estate
2c john » 20 john, 24 john, 26 john
21 john » 11 john
22 john » 2 john
12 john » 2 john, 11 john
25 john » 5 john, 15 john
23 john » 3 john, 13 john
c john » 3 john, 5 john
4 john » 3 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 (2((4 john) OR (1 john))))) OR (((((21 john) OR (((22 john) OR (12 john))))) OR (((25 john) OR (23 john))))))) OR (((4 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 (2((4 john) or (1 john))))) or (((((21 john) or (((22 john) or (12 john))))) or (((25 john) or (23 john))))))) or (((4 john) or (1 john)))) %27 estate%22".
• Adding a wildcard symbol may retrieve word variants: %22orlebar%((((((((2c john) OR (c john))) or (2((4 john) or (1 john))))) or (((((21 john) or (((22 john) or (12 john))))) or (((25 john) or (23 john))))))) or (((4 john) or (1 john)))) %27 estate%22*.