Perhaps you should try some spelling variations:
y literatura » la literatura
filosofia y » filosofia e, filosofia _, filosofia de
studium e » studium _, studium 3, studium 8
studium 1 » studium _, studium 3, studium 8
testo » test, tests, texto

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: "testo duales ((studium e) OR (studium 1)) filosofia y literatura".
• Adding a wildcard symbol may retrieve word variants: testo duales ((studium e) OR (studium 1)) filosofia y literatura*.