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