Perhaps you should try some spelling variations:
"offs 2012, europaische geschichte" » "offs 12, europaische geschichte", "offs 21, europaische geschichte"
"dcfs 2012, europaische geschichte" » "dcfs 2011, europaische geschichte", "dcfs 2013, europaische geschichte", "dcfs 2014, 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 2012, europaische geschichte\") OR (\"dcfs 2012, europaische geschichte\"))".
• Removing quotes may allow a broader search: (( offs 2012, europaische geschichte ) OR ( dcfs 2012, europaische geschichte )).
• Adding a wildcard symbol may retrieve word variants: (("offs 2012, europaische geschichte") OR ("dcfs 2012, europaische geschichte"))*.