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