Perhaps you should try some spelling variations:
"polnische biographical dictionary" » "polnischen biographical dictionary" (Expand Search), "politische biographical dictionary" (Expand Search), "polnische biographische dictionary" (Expand Search), "polnische biographi dictionary" (Expand Search), "polnische biographien dictionary" (Expand Search)
"polnischerener biographie dictionary" » "polnischenrener biographie dictionary" (Expand Search), "politischerener biographie dictionary" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"polnische biographical dictionary\") OR (\"polnischerener biographie dictionary\"))~".
• Removing quotes may allow a broader search: (( polnische biographical dictionary ) OR ( polnischerener biographie dictionary ))~.
• Adding a wildcard symbol may retrieve word variants: (("polnische biographical dictionary") OR ("polnischerener biographie dictionary"))*.