Perhaps you should try some spelling variations:
geschichte sudosteuropa » geschichte sudosteuropas (Expand Search)
deutschen kultur » deutsche kultur (Expand Search), ostdeutsche kultur (Expand Search)
und geschichte » zur geschichte (Expand Search), die geschichte (Expand Search), der geschichte (Expand Search)
instituts der » instituts fur (Expand Search), instituts zur (Expand Search), instituts heft (Expand Search)
institut der » instituts fur (Expand Search), instituts zur (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((instituts der) OR (institut der)) deutschen kultur und geschichte sudosteuropa~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((instituts der) OR (institut der)) deutschen kultur und geschichte sudosteuropa".
• Adding a wildcard symbol may retrieve word variants: ((instituts der) OR (institut der)) deutschen kultur und geschichte sudosteuropa*.