Perhaps you should try some spelling variations:
de literatura » de litterature, la literatura, y literatura
es filosofia » e filosofia, em filosofia, la filosofia
filosofia de » filosofia del
quito scale » equity scale
auto scale » auto scaled, auto scaler, auto escape
studien es » studien aus, studien bei, studien ein

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: ((quito scale) OR (auto scale)) studien es filosofia de literatura.
• Adding a wildcard symbol may retrieve word variants: ((quito scale) or (auto scale)) studien es filosofia de literatura*.