Perhaps you should try some spelling variations:
national » nationala (Expand Search), nationalen (Expand Search), nationaler (Expand Search)
nationalaer » nationalaaer (Expand Search), nationalenaer (Expand Search), nationaleraer (Expand Search), nationaler (Expand Search), nationalen (Expand Search), nationala (Expand Search)
nationale » nationalae (Expand Search), nationalene (Expand Search), nationalere (Expand Search)
nationalaae » nationalaaae (Expand Search), nationalenaae (Expand Search), nationaleraae (Expand Search), nationala (Expand Search), nationalstaat (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((national OR nationalaer) OR (nationale OR nationalaae)) universitat of kharkiv~".
• Adding a wildcard symbol may retrieve word variants: ((national OR nationalaer) OR (nationale OR nationalaae)) universitat of kharkiv*.