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