Perhaps you should try some spelling variations:
1718 estates » 1718 estate, 1712 estate, 1716 estate
2c john » 22 john, 25 john, 20 john
21 john » 1 john, 22 john, 25 john
11 john » 1 john
12 john » 2 john
23 john » 3 john
13 john » 3 john, 14 john, 15 john
c john » 1 john, 3 john, 4 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 (((((21 john) OR (((11 john) OR (12 john))))) OR (23 john))))) OR (13 john)) %1718 estates%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22orlebar%((((((2c john) or (c john))) or (((((21 john) or (((11 john) OR (12 john))))) or (23 john))))) or (13 john)) %1718 estates%22".
• Adding a wildcard symbol may retrieve word variants: %22orlebar%((((((2c john) or (c john))) or (((((21 john) or (((11 john) OR (12 john))))) or (23 john))))) or (13 john)) %1718 estates%22*.