Perhaps you should try some spelling variations:
27 estate » 7 estate, 1627 estate
20 john » 10 john, 23 john, 25 john
24 john » 14 john, 23 john, 25 john
21 john » 11 john, 23 john, 25 john
16 john » 10 john, 6 john
22 john » 2 john, 12 john, 23 john
5 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%((((((20 john) OR (((((24 john) OR (21 john))) OR (16 john))))) OR (((((22 john) OR (1 john))) OR (5 john))))) OR (4 john)) %27 estate%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22orlebar%((((((20 john) or (((((24 john) OR (21 john))) or (16 john))))) or (((((22 john) or (1 john))) or (5 john))))) or (4 john)) %27 estate%22".
• Adding a wildcard symbol may retrieve word variants: %22orlebar%((((((20 john) or (((((24 john) OR (21 john))) or (16 john))))) or (((((22 john) or (1 john))) or (5 john))))) or (4 john)) %27 estate%22*.