Perhaps you should try some spelling variations:
e literature » life literature, prose literature, norse literature
rest data » test data, trust data, fast data
studium e » studium 1, studium 3, studium 5
studium 8 » studium 1, studium 3, studium im

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: rest data ((((studium e) OR (studium 8))) OR (studium _)) filosofia ((e literature) OR (e literatur)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "rest data ((((studium e) or (studium 8))) or (studium _)) filosofia ((e literature) OR (e literatur))".
• Adding a wildcard symbol may retrieve word variants: rest data ((((studium e) or (studium 8))) or (studium _)) filosofia ((e literature) OR (e literatur))*.