Perhaps you should try some spelling variations:
pela literatura » pena literatura, la literatura, a literatura
del literatura » de literatura, da literatura, e literatura
e filosofia » la filosofia
rest scale » best scale, rust scale, great scale
bast scale » best scale, vast scale, basin 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: ((rest scale) OR (bast scale)) studies e filosofia ((del literatura) OR (pela literatura)).
• Adding a wildcard symbol may retrieve word variants: ((rest scale) or (bast scale)) studies e filosofia ((del literatura) or (pela literatura))*.