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