Perhaps you should try some spelling variations:
nationaler » nationale (Expand Search), nationala (Expand Search)
nationalea » nationale (Expand Search), nationala (Expand Search), nationales (Expand Search)
nationalene » nationale (Expand Search), nationales (Expand Search), rationalen (Expand Search), nationalee (Expand Search)
nationaleen » nationale (Expand Search), nationales (Expand Search), rationalen (Expand Search)
nationalen » nationale (Expand Search)
university » universitat (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: ((nationaler OR nationalea) OR ((nationalene OR nationaleen) OR nationalen)) university of kharkiv~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nationaler OR nationalea) OR ((nationalene OR nationaleen) OR nationalen)) university of kharkiv".
• Adding a wildcard symbol may retrieve word variants: ((nationaler OR nationalea) OR ((nationalene OR nationaleen) OR nationalen)) university of kharkiv*.