Perhaps you should try some spelling variations:
20 accounting » 250 accounting, 10 accounting, 2.2 accounting
2 accounting » _ accounting, 4 accounting, 1 accounting
12 public » 2 public, 11 public, 5 public
2c public » 2 public, 21 public, c public
22 public » 2 public, 5 public, 7 public
3 public » 2 public
21 great » 1 great, 11 great, 2011 great
23 green » 13 green
2f early » 20 early, 21 early, ef 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: %22finance%((2c public) OR (((((22 public) OR (12 public))) OR (3 public)))) %((20 accounting) OR (2 accounting)) %11 law AND legislation %((21 great) OR (((23 green) OR (3 green)))) britain %2f early works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22finance%((2c public) or (((((22 public) OR (12 public))) or (3 public)))) %((20 accounting) or (2 accounting)) %11 law and legislation %((21 great) or (((23 green) or (3 green)))) britain %2f early works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22finance%((2c public) or (((((22 public) OR (12 public))) or (3 public)))) %((20 accounting) or (2 accounting)) %11 law and legislation %((21 great) or (((23 green) or (3 green)))) britain %2f early works to 1800%22*.