Perhaps you should try some spelling variations:
soziale studien » soziale medien, soziale sterben, scale studien
duale studien » duale studium, scale studien, duales studium
la literatura » la litterature, a literature
filosofia la » filosofia da, filosofia le, filosofica da
e filosofia » la filosofia

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: testo ((soziale studien) OR (duale studien)) e filosofia la literatura.
• Adding a wildcard symbol may retrieve word variants: testo ((soziale studien) or (duale studien)) e filosofia la literatura*.