Perhaps you should try some spelling variations:
e litterature » et litterature, de litterature, en litterature
bast failure » fast failure, best failure, past failure
filosofia e » filosofia de, filosofia del
studies dd » studies ds, studies d, studies dc
studies dn » studies ds, studies d

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: "bast failure ((studies dd) OR (studies dn)) filosofia e litterature".
• Adding a wildcard symbol may retrieve word variants: bast failure ((studies dd) OR (studies dn)) filosofia e litterature*.