Perhaps you should try some spelling variations:
22business ethics » iii.business ethics, business ethical, business ethik
20 poetry » 28 poetry, 10 poetry, 2 poetry
2f early » 20 early, f early, sf early
21 early » 2.1 early, 1 early, 11 early
22 early » 2 early, 12 early, 1722 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: %((22business ethics) OR (business ethics)) %20 poetry %((((2f early) OR (21 early))) OR (22 early)) works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22business ethics) or (business ethics)) %20 poetry %((((2f early) OR (21 early))) or (22 early)) works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %((22business ethics) or (business ethics)) %20 poetry %((((2f early) OR (21 early))) or (22 early)) works to 1800%22*.