Perhaps you should try some spelling variations:
scale studies » scale study
e literaturea » e literature, e literatura, e literaturas
studies la » studies lab, studies lca, studies lia
set scale » sets scale, belt scale, best scale
literaturea » literatureea
literatur » literature

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: set scale studies la filosofia ((e literaturea) OR (e literatur)).
• Adding a wildcard symbol may retrieve word variants: set scale studies la filosofia ((e literaturea) or (e literatur))*.