Perhaps you should try some spelling variations:
stable studied » state studied, table studies, unstable studies
filosofia life » filosofia le, filosofia de, filosofia di
sets stable » sets table, setup stable, tests stable
filosofia e » filosofia de, filosofia del
studied i » studied ii, studied vi, studied _

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: "sets stable studied i ((filosofia life) OR (filosofia e)) literature".
• Adding a wildcard symbol may retrieve word variants: sets stable studied i ((filosofia life) OR (filosofia e)) literature*.