Perhaps you should try some spelling variations:
case studieson » case studieso, case studiesof, case studies
la literatura » la litterature, a literature
assets case » assets based, sets case, assets asset
a filosofia » la filosofia, di filosofia
e filosofia » la 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: "assets case studieson ((a filosofia) OR (e filosofia)) la literatura".
• Adding a wildcard symbol may retrieve word variants: assets case studieson ((a filosofia) OR (e filosofia)) la literatura*.