Perhaps you should try some spelling variations:
27 estate » 7 estate, 1627 estate
ai estate » _ estate
21 john » 11 john, 25 john
23 john » 3 john, 13 john
22 john » 2 john, 12 john
16 john » 10 john, 6 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%((((((21 john) OR (23 john))) OR (1 john))) OR (((22 john) OR (16 john)))) %((ai estate) OR (27 estate))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22orlebar%((((((21 john) OR (23 john))) or (1 john))) or (((22 john) or (16 john)))) %((ai estate) or (27 estate))%22".
• Adding a wildcard symbol may retrieve word variants: %22orlebar%((((((21 john) OR (23 john))) or (1 john))) or (((22 john) or (16 john)))) %((ai estate) or (27 estate))%22*.