Perhaps you should try some spelling variations:
2c martin » c martin, 20 martin, 21 martin
2 martin » 12 martin, 2 marine
2f 1889 » 23 1889, f 1889, 24 1889
22 1889 » 226 1889, 23 1889, 22 1888
2 1889 » 23 1889, 2 1829, _ 1889

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: %22heidegger%((2c martin) OR (2 martin)) %((((2f 1889) OR (22 1889))) OR (2 1889))-1976%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22heidegger%((2c martin) or (2 martin)) %((((2f 1889) OR (22 1889))) or (2 1889))-1976%22".
• Adding a wildcard symbol may retrieve word variants: %22heidegger%((2c martin) or (2 martin)) %((((2f 1889) OR (22 1889))) or (2 1889))-1976%22*.