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