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