Perhaps you should try some spelling variations:
"studies zur deutschen literature reviews" » "studies zur deutschen literatur reviews", "studies zur deutsche literatur reviews", "studies zur deutschland literatur reviews", "studies zur deutschen literature review", "studies zum deutschen literature reviews", "studies der deutschen literature reviews", "studies fur deutsche literature reviews", "studien zur deutschen literature reviews", "studie zur deutschen literature reviews"
"studien zu deutschen literature survey" » "studien zu deutschen literatur survey", "studien zu deutsche literatur survey", "studien zu deutschland literatur survey", "studien zu deutschen literature series", "studien zu deutschen literacy survey", "studien zum deutschen literature survey", "studien zu deutschem literature survey", "studien auf deutschen literature survey", "studien zur deutschen literature survey"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("studies zur deutschen literature reviews") or ("studien zu deutschen literature survey"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("studies zur deutschen literature reviews") OR ("studien zu deutschen literature survey")).
• Removing quotes may allow a broader search: (( studies zur deutschen literature reviews ) or ( studien zu deutschen literature survey )).
• Adding a wildcard symbol may retrieve word variants: (("studies zur deutschen literature reviews") or ("studien zu deutschen literature survey"))*.