Perhaps you should try some spelling variations:
27 estate » 7 estate, 1627 estate
2c john » 22 john, 24 john, 26 john
20 john » 10 john, 22 john, 24 john
25 john » 5 john, 15 john, 22 john
21 john » 11 john, 22 john
23 john » 3 john, 13 john
c john » 4 john, 3 john, 5 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 (((20 john) OR (25 john))))) OR (c john))) OR (((21 john) OR (1 john))))) OR (23 john)) %27 estate%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22orlebar%((((((((2c john) or (((20 john) OR (25 john))))) or (c john))) or (((21 john) or (1 john))))) or (23 john)) %27 estate%22".
• Adding a wildcard symbol may retrieve word variants: %22orlebar%((((((((2c john) or (((20 john) OR (25 john))))) or (c john))) or (((21 john) or (1 john))))) or (23 john)) %27 estate%22*.