Perhaps you should try some spelling variations:
2f fiction » f fiction, 2 fiction, la fiction
1722 early » 1727 early
1720 early » 1727 early, 1820 early, 1724 early
1770 early » 1778 early
2f early » 24 early, 22 early, 23 early
21 early » 2.1 early, 1 early, 11 early
20 early » 10 early, 1820 early

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "%22ethiopia %2f fiction %((((((2f early) OR (21 early))) OR (1722 early))) OR (((20 early) OR (((1720 early) OR (1770 early)))))) works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22ethiopia %2f fiction %((((((2f early) OR (21 early))) OR (1722 early))) OR (((20 early) OR (((1720 early) OR (1770 early)))))) works to 1800%22*.