Perhaps you should try some spelling variations:
"polnischen biographical dictionary" » "polnischen biographische dictionary" (Expand Search), "polnischen biographie dictionary" (Expand Search), "polnischen biographien dictionary" (Expand Search), "polnischen biographiecal dictionary" (Expand Search), "polnischen biographiencal dictionary" (Expand Search), "polnischen biograghiecal dictionary" (Expand Search)
"polnischen biographi dictionary" » "polnischen biographie dictionary" (Expand Search), "polnischen biographien dictionary" (Expand Search), "polnischen biograghie dictionary" (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: (("polnischen biographical dictionary") OR ("polnischen biographi dictionary"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"polnischen biographical dictionary\") OR (\"polnischen biographi dictionary\"))*".
• Removing quotes may allow a broader search: (( polnischen biographical dictionary ) OR ( polnischen biographi dictionary ))*.