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