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)
nationales » nationalees (Expand Search), nationalaes (Expand Search), nationaleres (Expand Search), nationale (Expand Search), nationaler (Expand Search), nationalist (Expand Search)
nationalereren » nationaleereren (Expand Search), nationalaereren (Expand Search), nationalerereren (Expand Search)
university » universitat (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 (nationales OR nationalereren)) university of kharkiv~".
• Adding a wildcard symbol may retrieve word variants: ((national OR nationalen) OR (nationales OR nationalereren)) university of kharkiv*.