Perhaps you should try some spelling variations:
"offs 12, europaische geschichte" » "offs 125, europaische geschichte", "offs 14, europaische geschichte", "offs 19, europaische geschichte"
"offs 17, europaische geschichte" » "offs 14, europaische geschichte", "offs 19, europaische geschichte", "offs 7, europaische geschichte"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"offs 12, europaische geschichte\") OR (\"offs 17, europaische geschichte\"))".
• Removing quotes may allow a broader search: (( offs 12, europaische geschichte ) OR ( offs 17, europaische geschichte )).
• Adding a wildcard symbol may retrieve word variants: (("offs 12, europaische geschichte") OR ("offs 17, europaische geschichte"))*.