Perhaps you should try some spelling variations:
deutschen bauern » deutschen aus (Expand Search)
volkskunde die » volkskunde der (Expand Search), volkskunde _ (Expand Search), volkskunde e.v (Expand Search)
die deutschen » der deutschen (Expand Search)
institut fur » instituts fur (Expand Search), instituts zur (Expand Search), instituts der (Expand Search)
institut der » instituts der (Expand Search), instituts fur (Expand Search), instituts zur (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((institut fur) OR (institut der)) volkskunde die deutschen bauern ostlichen europa. banck-design~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((institut fur) OR (institut der)) volkskunde die deutschen bauern ostlichen europa. banck-design".
• Adding a wildcard symbol may retrieve word variants: ((institut fur) OR (institut der)) volkskunde die deutschen bauern ostlichen europa. banck-design*.