Perhaps you should try some spelling variations:
"peter unser lutherischesm spanien band 2" » "peter unser lutherischem spanien band 2" (Expand Search), "peter unser lutherisches spanien band 2" (Expand Search), "peter unser lutherischesm spanien und 2" (Expand Search), "peter unser lutherischesm studien band 2" (Expand Search)
"peter der lutherische sprache band 2" » "peter der lutherische kirche band 2" (Expand Search), "peter der lutherischen kirche band 2" (Expand Search), "peter der lutherischem spanien band 2" (Expand Search), "peter der lutherischen sprache band 2" (Expand Search), "peter unser lutherisches sprache band 2" (Expand Search), "peter der lutherische sprache und 2" (Expand Search), "peter der lutherische sprach und 2" (Expand Search), "feier der lutherische sprache band 2" (Expand Search), "unter der lutherische sprache band 2" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("peter der lutherische sprache band 2") OR ("peter unser lutherischesm spanien band 2"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"peter der lutherische sprache band 2\") OR (\"peter unser lutherischesm spanien band 2\"))".
• Removing quotes may allow a broader search: (( peter der lutherische sprache band 2 ) OR ( peter unser lutherischesm spanien band 2 )).
• Adding a wildcard symbol may retrieve word variants: (("peter der lutherische sprache band 2") OR ("peter unser lutherischesm spanien band 2"))*.