Perhaps you should try some spelling variations:
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)
sudosteuropas » sudosteuropa (Expand Search)

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: "((institut der) OR (instituts der)) deutschen kultur und geschichte sudosteuropas~".
• Adding a wildcard symbol may retrieve word variants: ((institut der) OR (instituts der)) deutschen kultur und geschichte sudosteuropas*.