Perhaps you should try some spelling variations:
"studien zur deutschen literature review" » "studien zur deutschen literatur review", "studien zur deutsche literatur review", "studien zur deutschland literatur review", "studien zum deutschen literature review", "studien der deutschen literature review", "studien fur deutsche literature review"
"studies zur deutschen literature review" » "studies zur deutschen literatur review", "studies zur deutsche literatur review", "studies zur deutschland literatur review", "studies zum deutschen literature review", "studies der deutschen literature review", "studies fur deutsche literature review", "studie zur deutschen literature review"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("studien zur deutschen literature review") OR ("studies zur deutschen literature review"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"studien zur deutschen literature review\") OR (\"studies zur deutschen literature review\"))".
• Removing quotes may allow a broader search: (( studien zur deutschen literature review ) OR ( studies zur deutschen literature review )).
• Adding a wildcard symbol may retrieve word variants: (("studien zur deutschen literature review") OR ("studies zur deutschen literature review"))*.