Perhaps you should try some spelling variations:
national » nationale (Expand Search), nationala (Expand Search), nationaler (Expand Search)
nationalena » nationaleena (Expand Search), nationalaena (Expand Search), nationalerena (Expand Search), nationale (Expand Search), nationala (Expand Search), nationaler (Expand Search), nationalea (Expand Search)
nationalen » nationaleen (Expand Search), nationalaen (Expand Search), nationaleren (Expand Search), nationale (Expand Search)
nationaleeren » nationaleeeren (Expand Search), nationalaeeren (Expand Search), nationalereeren (Expand Search), nationaler (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 (nationalena OR nationalen)) OR nationaleeren) university of kharkiv~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((national OR (nationalena OR nationalen)) OR nationaleeren) university of kharkiv".
• Adding a wildcard symbol may retrieve word variants: ((national OR (nationalena OR nationalen)) OR nationaleeren) university of kharkiv*.