Perhaps you should try some spelling variations:
"texts zur populare musik" » "texts zur popularen musik", "texts der populare musik", "texts der popularen musik", "texte zur populare musik", "text zu populare musik"
"texte zu popularen musik" » "texte zur popularen musik", "texte im popularen musik", "texte des popularen musik"
"text zum popular music" » "text from popular music", "text zum formular music", "text im 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: (("text zum popular music") or ((("texts zur populare musik") or ("texte zu popularen musik"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("text zum popular music") OR ((("texts zur populare musik") OR ("texte zu popularen musik")))).
• Removing quotes may allow a broader search: (( text zum popular music ) or ((( texts zur populare musik ) or ( texte zu popularen musik )))).
• Adding a wildcard symbol may retrieve word variants: (("text zum popular music") or ((("texts zur populare musik") or ("texte zu popularen musik"))))*.