Perhaps you should try some spelling variations:
2010 english » 2015 english, 2016 english, 2013 english
2017 english » 2015 english, 2 english, 1 english
21 english » 210 english, 2 english, 1 english
2f texts » 2 texts, 3 texts, 8 texts
20 texts » 2 texts, 20 tests, 20 teeth
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) OR (2017 english)))) %((2f 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) OR (2017 english)))) %((2f texts) or (((((20 texts) or (1 texts))) or (_ texts))))%22".
• Adding a wildcard symbol may retrieve word variants: %22hymns%((21 english) or (((2010 english) OR (2017 english)))) %((2f texts) or (((((20 texts) or (1 texts))) or (_ texts))))%22*.