Perhaps you should try some spelling variations:
2.4 estimates » 3.4 estimates, 7.4 estimates, 2.2 estimates
ai estate » _ estate
24 estate » 24 estimate, 1824 estates, 24 estimated
4 estate » _ estate, 3 estate, 4 estimate
c john » 1 john, 4 john, 3 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%c john %((ai estate) OR (((((24 estate) OR (4 estate))) OR (2.4 estimates))))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22orlebar%c john %((ai estate) or (((((24 estate) OR (4 estate))) or (2.4 estimates))))%22".
• Adding a wildcard symbol may retrieve word variants: %22orlebar%c john %((ai estate) or (((((24 estate) OR (4 estate))) or (2.4 estimates))))%22*.