Perhaps you should try some spelling variations:
1636 estate » 1731 estate
1627 estate » 1650 estate, 1688 estate, 1721 estate
27 estate » 7 estate
25 john » 5 john, 15 john, 23 john
2c john » c john, 23 john, 20 john
12 john » 2 john, 11 john
22 john » 2 john, 23 john
21 john » 11 john, 23 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 (2((4 john) OR (1 john))))) OR (((((21 john) OR (((22 john) OR (12 john))))) OR (25 john))))) OR (((4 john) OR (1 john)))) %((((27 estate) OR (1627 estate))) OR (1636 estate))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22orlebar%((((((2c john) or (2((4 john) or (1 john))))) or (((((21 john) or (((22 john) or (12 john))))) or (25 john))))) or (((4 john) or (1 john)))) %((((27 estate) OR (1627 estate))) or (1636 estate))%22".
• Adding a wildcard symbol may retrieve word variants: %22orlebar%((((((2c john) or (2((4 john) or (1 john))))) or (((((21 john) or (((22 john) or (12 john))))) or (25 john))))) or (((4 john) or (1 john)))) %((((27 estate) OR (1627 estate))) or (1636 estate))%22*.