Perhaps you should try some spelling variations:
2c english » 2 english, c english, 21 english
2f england » 2 england, 23 england, af england
2.6 london » 2.3 london, 2016 london, 2006 london
2f london » 2 london, 2.3 london, auf london
2.1 early » 11 early
1.1 early » 11 early, 1791 early, 1771 early
f london » 2 london, 1 london, 3 london
21 early » 11 early

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%2c english %2f england %((((2f london) OR (2.6 london))) OR (f london)) %((21 early) OR (((2.1 early) OR (1.1 early)))) works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22almanacs%2c english %2f england %((((2f london) or (2.6 london))) or (f london)) %((21 early) or (((2.1 early) OR (1.1 early)))) works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22almanacs%2c english %2f england %((((2f london) or (2.6 london))) or (f london)) %((21 early) or (((2.1 early) OR (1.1 early)))) works to 1800%22*.