Perhaps you should try some spelling variations:
"second polnischen republica" » "von polnischen republica" (Expand Search)
"der polnischen republica" » "der politischen republica" (Expand Search), "der polnisch republica" (Expand Search), "der pontischen republica" (Expand Search)
"second polish republik" » "second polnisch republik" (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: (((("second polnischen republica") OR ("der polnischen republica"))) OR ("second polish republik"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"second polnischen republica\") OR (\"der polnischen republica\"))) OR (\"second polish republik\"))".
• Removing quotes may allow a broader search: (((( second polnischen republica ) OR ( der polnischen republica ))) OR ( second polish republik )).
• Adding a wildcard symbol may retrieve word variants: (((("second polnischen republica") OR ("der polnischen republica"))) OR ("second polish republik"))*.