Perhaps you should try some spelling variations:
"nationala academic of sciences of ukraine" » "nationale academic of sciences of ukraine" (Expand Search), "nationalen academic of sciences of ukraine" (Expand Search), "nationaler academic of sciences of ukraine" (Expand Search)
"nationala academia of sciences of ukraine" » "nationale academia of sciences of ukraine" (Expand Search), "nationalen academia of sciences of ukraine" (Expand Search), "nationaler academia of sciences of ukraine" (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: (("nationala academic of sciences of ukraine") OR ("nationala academia of sciences of ukraine"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nationala academic of sciences of ukraine\") OR (\"nationala academia of sciences of ukraine\"))".
• Removing quotes may allow a broader search: (( nationala academic of sciences of ukraine ) OR ( nationala academia of sciences of ukraine )).
• Adding a wildcard symbol may retrieve word variants: (("nationala academic of sciences of ukraine") OR ("nationala academia of sciences of ukraine"))*.