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