Perhaps you should try some spelling variations:
7 estate » 27 estate, _ estate, 3 estate
21 john » 11 john
25 john » 15 john
22 john » 2 john, 12 john
27 john » 279 john, 7 john, 17 john
13 john » 10 john, 11 john, 12 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%((((((((((27 john) OR (((23 john) OR (13 john))))) OR (c john))) OR (2((4 john) OR (3 john))))) OR (((((((21 john) OR (1 john))) OR (22 john))) OR (((25 john) OR (5 john))))))) OR (((4 john) OR (3 john)))) %7 estate%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22orlebar%((((((((((27 john) or (((23 john) or (13 john))))) or (c john))) or (2((4 john) OR (3 john))))) or (((((((21 john) or (1 john))) or (22 john))) or (((25 john) or (5 john))))))) or (((4 john) OR (3 john)))) %7 estate%22".
• Adding a wildcard symbol may retrieve word variants: %22orlebar%((((((((((27 john) or (((23 john) or (13 john))))) or (c john))) or (2((4 john) OR (3 john))))) or (((((((21 john) or (1 john))) or (22 john))) or (((25 john) or (5 john))))))) or (((4 john) OR (3 john)))) %7 estate%22*.