Perhaps you should try some spelling variations:
"texts der popularen musik" » "texts der populare musik", "texts des popularen musik", "textes der popularen musik", "text der popularen musik", "texte der popularen musik"
"texte zur popularen musik" » "texte zur populare musik", "texte des popularen musik", "texte war popularen musik", "texte more popularen musik", "texte der populareen musik", "texte zu popularen musik"
"texts zur popular music" » "texts war popular music", "texts more popular music", "texts der populare music", "texte zu popular music", "text zum popular music", "text zu popular music"

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: (((("texts der popularen musik") or ("texte zur popularen musik"))) or ("texts zur popular music"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("texts der popularen musik") OR ("texte zur popularen musik"))) OR ("texts zur popular music")).
• Removing quotes may allow a broader search: (((( texts der popularen musik ) or ( texte zur popularen musik ))) or ( texts zur popular music )).
• Adding a wildcard symbol may retrieve word variants: (((("texts der popularen musik") or ("texte zur popularen musik"))) or ("texts zur popular music"))*.