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

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: text daten studies ((3 filosofia) OR (e filosofia)) e literatura.
• Adding a wildcard symbol may retrieve word variants: text daten studies ((3 filosofia) or (e filosofia)) e literatura*.