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