Perhaps you should try some spelling variations:
die differenz » de differends (Expand Search), du differend (Expand Search), e differenze (Expand Search)
"Die differenz eine fra zu sein" » "Die differenz line fra zu sein" (Expand Search), "Die differenz cine fra zu sein" (Expand Search), "Die differenz fine fra zu sein" (Expand Search), "Die differenz eine fora zu sein" (Expand Search), "Die differenz eine fra zu sin" (Expand Search), "Die differenz eine fra zu sean" (Expand Search), "Die differenz eine fra zu seen" (Expand Search)
"Die differenz eine fria zu sein" » "Die differenz line fria zu sein" (Expand Search), "Die differenz cine fria zu sein" (Expand Search), "Die differenz fine fria zu sein" (Expand Search), "Die differenz eine fria zu sin" (Expand Search), "Die differenz eine fria zu sean" (Expand Search), "Die differenz eine fria zu seen" (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("Die differenz eine fra zu sein") OR ("Die differenz eine fria zu sein"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Die differenz eine fra zu sein\") OR (\"Die differenz eine fria zu sein\"))".
• Removing quotes may allow a broader search: (( Die differenz eine fra zu sein ) OR ( Die differenz eine fria zu sein )).
• Adding a wildcard symbol may retrieve word variants: (("Die differenz eine fra zu sein") OR ("Die differenz eine fria zu sein"))*.