Perhaps you should try some spelling variations:
es filosofia » e filosofia, em filosofia, la filosofia
filosofia e » filosofia de, filosofia del
bast scale » best scale, vast scale, basin scale
study es » study ess, study eis, study eps

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: bast scale study es filosofia e (literatur OR literature).
• Adding a wildcard symbol may retrieve word variants: bast scale study es filosofia e (literatur or literature)*.