Perhaps you should try some spelling variations:
gabler edition » smaller edition, larger edition, earlier editions
muller edition » smaller edition, muller section, muller edith
bilder edition » der edition, tiger edition, bilder medizin

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: ((gabler edition) OR (((muller edition) OR (bilder edition)))) wissenschaft.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((gabler edition) or (((muller edition) OR (bilder edition)))) wissenschaft".
• Adding a wildcard symbol may retrieve word variants: ((gabler edition) or (((muller edition) OR (bilder edition)))) wissenschaft*.