Perhaps you should try some spelling variations:
2006 london » 2000 london, 2016 london, 2008 london
2f england » 2 england, 23 england, af england
2.6 london » 2.3 london, 2016 london, 2 london
1722 early » 1727 early
21 early » 2.1 early, 1 early, 11 early
22 early » 2 early, 12 early, 1.2 early

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: %22almanacs%2 english %2f england %((((2.6 london) OR (2006 london))) OR (a london)) %((21 early) OR (((22 early) OR (1722 early)))) works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22almanacs%2 english %2f england %((((2.6 london) OR (2006 london))) or (a london)) %((21 early) or (((22 early) or (1722 early)))) works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22almanacs%2 english %2f england %((((2.6 london) OR (2006 london))) or (a london)) %((21 early) or (((22 early) or (1722 early)))) works to 1800%22*.