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