Perhaps you should try some spelling variations:
"studien zur deutschen literature reviews" » "studien zur deutschen literatur reviews", "studien zur deutsche literatur reviews", "studien zur deutschland literatur reviews", "studien zum deutschen literature reviews", "studien der deutschen literature reviews", "studien fur deutsche literature reviews"
"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 reviews") or ("studies zur deutschen literature review"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("studien zur deutschen literature reviews") OR ("studies zur deutschen literature review"))*.
• Removing quotes may allow a broader search: (( studien zur deutschen literature reviews ) or ( studies zur deutschen literature review ))*.