Perhaps you should try some spelling variations:
spaces studie » spaces studied, space studies, spaces state
spaces stable » spaces stability
de literatura » de litterature, la literatura, y literatura
filosofia de » filosofia del
d filosofia » di filosofia, de filosofia, da filosofia

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: "list ((spaces studie) OR (spaces stable)) d filosofia de literatura".
• Adding a wildcard symbol may retrieve word variants: list ((spaces studie) OR (spaces stable)) d filosofia de literatura*.