Perhaps you should try some spelling variations:
"fur sozialwissenschaftler" » "und sozialwissenschaftler", "zur sozialwissenschaftlichen", "der sozialwissenschaftlichen"
"die sozialwissenschaft" » "die sozialwissenschaften", "der sozialwissenschaft", "und sozialwissenschaft"

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("die sozialwissenschaft") OR ("fur sozialwissenschaftler")).
• Removing quotes may allow a broader search: (( die sozialwissenschaft ) or ( fur sozialwissenschaftler )).
• Adding a wildcard symbol may retrieve word variants: (("die sozialwissenschaft") or ("fur sozialwissenschaftler"))*.