Perhaps you should try some spelling variations:
e filosofica » e filosofia, e filosofiche, a filosofia
filosofica y » filosofia y, filosofica e, filosofica _
y literatura » la literatura
tests space » test space, lists space, meets space
texts space » text space, meets space, sets space
studied e » studied _, studied 3, studied 5

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: "((tests space) OR (texts space)) studied e filosofica y literatura".
• Adding a wildcard symbol may retrieve word variants: ((tests space) OR (texts space)) studied e filosofica y literatura*.