Perhaps you should try some spelling variations:
1718 estates » 1718 estate, 1712 estate, 1716 estate
2f estate » 24 estate, 27 estate, _ estate
21 john » 11 john, 23 john, 22 john
16 john » 10 john, 6 john
2 john » 4 john, 5 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%((((21 john) OR (1 john))) OR (((((2 john) OR (3 john))) OR (((1((2 john) OR (3 john))) OR (16 john)))))) %((2f estate) OR (1718 estates))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22orlebar%((((21 john) or (1 john))) or (((((2 john) OR (3 john))) or (((1((2 john) OR (3 john))) or (16 john)))))) %((2f estate) or (1718 estates))%22".
• Adding a wildcard symbol may retrieve word variants: %22orlebar%((((21 john) or (1 john))) or (((((2 john) OR (3 john))) or (((1((2 john) OR (3 john))) or (16 john)))))) %((2f estate) or (1718 estates))%22*.