Perhaps you should try some spelling variations:
12 martin » 12 main, 12 marie, 12 marketing
12 mating » 12 making, 12 mapping, 12 meeting
12 marine » 2 marine, 12 machine, 12 making
2 martin » 2 marine
23 1889 » 1823 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%((c martin) OR (((2 martin) OR (((((12 martin) OR (12 mating))) OR (12 marine)))))) %23 1889-1976%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22heidegger%((c martin) or (((2 martin) or (((((12 martin) OR (12 mating))) or (12 marine)))))) %23 1889-1976%22".
• Adding a wildcard symbol may retrieve word variants: %22heidegger%((c martin) or (((2 martin) or (((((12 martin) OR (12 mating))) or (12 marine)))))) %23 1889-1976%22*.