Perhaps you should try some spelling variations:
2 gustav » _ gustav, 8 gustav, f gustav
2f 1878 » 29 1878
2d 1878 » 29 1878, 2d 1838, 2d 1877
28 1878 » 28 1873, 28 1874, 28 1808
18 1878 » 1 1878, 16 1878, 10 1878

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: %22stresemann%2 gustav %((((2f 1878) OR (2d 1878))) OR (((28 1878) OR (18 1878))))-1929%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22stresemann%2 gustav %((((2f 1878) or (2d 1878))) or (((28 1878) OR (18 1878))))-1929%22".
• Adding a wildcard symbol may retrieve word variants: %22stresemann%2 gustav %((((2f 1878) or (2d 1878))) or (((28 1878) OR (18 1878))))-1929%22*.