Perhaps you should try some spelling variations:
"vater unser lutherisches spanien band 3" » "vater unser lutherischem spanien band 3" (Expand Search), "vater unser lutherischen kolonien band 3" (Expand Search), "vater der lutherischen spanien band 3" (Expand Search), "vater unser lutherisches spanien und 3" (Expand Search), "vater unser lutherisches spanien band 1" (Expand Search), "vater unser lutherisches spanien band i" (Expand Search), "vater unser lutherisches spanien band 4" (Expand Search)
"vater unser lutherischem studien band 2" » "vater unser lutherischem spanien band 2" (Expand Search), "vater der lutherischen studien band 2" (Expand Search), "vater unser lutherischem studien und 2" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("vater unser lutherisches spanien band 3") OR ("vater unser lutherischem studien band 2"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"vater unser lutherisches spanien band 3\") OR (\"vater unser lutherischem studien band 2\"))".
• Removing quotes may allow a broader search: (( vater unser lutherisches spanien band 3 ) OR ( vater unser lutherischem studien band 2 )).
• Adding a wildcard symbol may retrieve word variants: (("vater unser lutherisches spanien band 3") OR ("vater unser lutherischem studien band 2"))*.