Perhaps you should try some spelling variations:
22business ethics » iii.business ethics, business ethical, business epics
1728 poetry » 1724 poetry, 1722 poetry, 1798 poetry
2f poetry » 2 poetry, 20 poetry, 24 poetry
28 poetry » 8 poetry, 6 poetry, 3 poetry
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)) %((((2f poetry) OR (28 poetry))) OR (1728 poetry)) %((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)) %((((2f poetry) OR (28 poetry))) or (1728 poetry)) %((21 early) or (22 early)) works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %((22business ethics) or (business ethics)) %((((2f poetry) OR (28 poetry))) or (1728 poetry)) %((21 early) or (22 early)) works to 1800%22*.