Perhaps you should try some spelling variations:
national » nationale (Expand Search), nationala (Expand Search), nationaler (Expand Search)
nationalen » nationaleen (Expand Search), nationalaen (Expand Search), nationaleren (Expand Search), nationale (Expand Search)
nationalere » nationaleere (Expand Search), nationalaere (Expand Search), nationalerere (Expand Search), nationaler (Expand Search), nationale (Expand Search), nationales (Expand Search)
nationalstaat » nationalestaat (Expand Search), nationalastaat (Expand Search), nationalerstaat (Expand Search), nationalstolz (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 nationalen) OR (nationalere OR nationalstaat)) universitat of kharkiv~".
• Adding a wildcard symbol may retrieve word variants: ((national OR nationalen) OR (nationalere OR nationalstaat)) universitat of kharkiv*.