Perhaps you should try some spelling variations:
national » nationale (Expand Search), nationala (Expand Search), nationalen (Expand Search)
nationaleen » nationaleeen (Expand Search), nationalaeen (Expand Search), nationaleneen (Expand Search), nationalen (Expand Search), nationale (Expand Search), nationaler (Expand Search)
nationalaaaen » nationaleaaaen (Expand Search), nationalaaaaen (Expand Search), nationalenaaaen (Expand Search), nationalitaten (Expand Search), nationalen (Expand Search)
nationaleraeaen » nationaleeraeaen (Expand Search), nationalaeraeaen (Expand Search), nationaleneraeaen (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 (nationaleen OR (nationalaaaen OR nationaleraeaen))) universitat of kharkiv~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(national OR (nationaleen OR (nationalaaaen OR nationaleraeaen))) universitat of kharkiv".
• Adding a wildcard symbol may retrieve word variants: (national OR (nationaleen OR (nationalaaaen OR nationaleraeaen))) universitat of kharkiv*.