Perhaps you should try some spelling variations:
national » nationale (Expand Search), nationala (Expand Search), nationalen (Expand Search)
nationalaaer » nationaleaaer (Expand Search), nationalaaaer (Expand Search), nationalenaaer (Expand Search), nationaler (Expand Search), nationale (Expand Search), nationalen (Expand Search)
nationalaen » nationaleaen (Expand Search), nationalaaen (Expand Search), nationalenaen (Expand Search), nationalen (Expand Search), nationale (Expand Search), nationala (Expand Search), nationalan (Expand Search), nationalenn (Expand Search)
nationalae » nationaleae (Expand Search), nationalaae (Expand Search), nationalenae (Expand Search), nationale (Expand Search), nationala (Expand Search), nationalen (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: (national OR ((nationalaaer OR nationalaen) OR nationalae)) university of kharkiv~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(national OR ((nationalaaer OR nationalaen) OR nationalae)) university of kharkiv".
• Adding a wildcard symbol may retrieve word variants: (national OR ((nationalaaer OR nationalaen) OR nationalae)) university of kharkiv*.