Perhaps you should try some spelling variations:
2010 english » 2015 english, 2017 english, 2016 english
21 english » 210 english, 2 english, 1 english
2f texts » 3 texts, 8 texts, a texts
20 texts » 20 tests, 20 teeth, 20 test
2 texts » 2 text, 2 texte, 3 texts
1 texts » 1 text
_ texts » _ text

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: %22hymns%((21 english) OR (2010 english)) %((((2f texts) OR (2 texts))) OR (((((20 texts) OR (1 texts))) OR (_ texts))))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22hymns%((21 english) or (2010 english)) %((((2f texts) OR (2 texts))) or (((((20 texts) or (1 texts))) or (_ texts))))%22".
• Adding a wildcard symbol may retrieve word variants: %22hymns%((21 english) or (2010 english)) %((((2f texts) OR (2 texts))) or (((((20 texts) or (1 texts))) or (_ texts))))%22*.