Perhaps you should try some spelling variations:
daten studies » date studies, patent studies, data studies
filosofia a » filosofia da, filosofia la, filosofia _
filosofia e » filosofia de, filosofia del
text daten » text datei, text data, text dataset

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "text daten studies e ((filosofia a) OR (filosofia e)) literatura".
• Adding a wildcard symbol may retrieve word variants: text daten studies e ((filosofia a) OR (filosofia e)) literatura*.