Perhaps you should try some spelling variations:
27 estate » 7 estate, 1627 estate
20 john » 10 john, 23 john, 22 john
25 john » 15 john, 23 john, 22 john
21 john » 11 john, 23 john, 22 john
5 john » 4 john
2 john » 4 john
3 john » 4 john

Try widening your search to All Fields.

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 (((25 john) OR (5 john))))) OR (21 john))) OR (1 john))) OR (((2((2 john) OR (3 john))) OR (((2 john) OR (3 john)))))) %27 estate%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22orlebar%((((((((20 john) or (((25 john) OR (5 john))))) or (21 john))) or (1 john))) or (((2((2 john) or (3 john))) or (((2 john) or (3 john)))))) %27 estate%22".
• Adding a wildcard symbol may retrieve word variants: %22orlebar%((((((((20 john) or (((25 john) OR (5 john))))) or (21 john))) or (1 john))) or (((2((2 john) or (3 john))) or (((2 john) or (3 john)))))) %27 estate%22*.