Perhaps you should try some spelling variations:
scale studies » case studies, scale study
la literatura » la litterature
de filosofia » di filosofia, la filosofia, a filosofia
e filosofia » la filosofia
best scale » bast scale, rest scale, burst scale

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: best scale studies ((de filosofia) OR (e filosofia)) ((la literatura) OR (a literature)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "best scale studies ((de filosofia) OR (e filosofia)) ((la literatura) or (a literature))".
• Adding a wildcard symbol may retrieve word variants: best scale studies ((de filosofia) OR (e filosofia)) ((la literatura) or (a literature))*.