Perhaps you should try some spelling variations:
deutschen kultur » deutsche kultur (Expand Search), ostdeutsche kultur (Expand Search)
die geschichte » zur geschichte (Expand Search)
instituts zur » instituts fur (Expand Search), instituts der (Expand Search)
institut der » instituts der (Expand Search), instituts fur (Expand Search)
kultur die » kultur der (Expand Search), kultur im (Expand Search), kultur mit (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 der) OR (instituts zur)) deutschen kultur die geschichte (sudosteuropas OR sudosteuropa)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((institut der) OR (instituts zur)) deutschen kultur die geschichte (sudosteuropas OR sudosteuropa)".
• Adding a wildcard symbol may retrieve word variants: ((institut der) OR (instituts zur)) deutschen kultur die geschichte (sudosteuropas OR sudosteuropa)*.