Perhaps you should try some spelling variations:
"vater vor lutherischem studien band 4" » "vater vor lutherischem spanien band 4" (Expand Search), "vater der lutherischen studien band 4" (Expand Search), "vater vor lutherischem studien und 4" (Expand Search), "vater von lutherischem studien band 4" (Expand Search), "vater der lutherischem studien band 4" (Expand Search), "vater vor lutherischem studien band 1" (Expand Search), "vater vor lutherischem studien band i" (Expand Search)
"uber unser lutherisches spanien band 2" » "uber unser lutherischem spanien band 2" (Expand Search), "uber unser lutherischen kolonien band 2" (Expand Search), "uber der lutherischen spanien band 2" (Expand Search), "uber unser lutherisches spanien und 2" (Expand Search), "uber unsere lutherisches spanien band 2" (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: (("vater vor lutherischem studien band 4") OR ("uber unser lutherisches spanien band 2"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"vater vor lutherischem studien band 4\") OR (\"uber unser lutherisches spanien band 2\"))*".
• Removing quotes may allow a broader search: (( vater vor lutherischem studien band 4 ) OR ( uber unser lutherisches spanien band 2 ))*.