Perhaps you should try some spelling variations:
pela literatura » pena literatura, a literatura, de literatura
scale studien » scale studies, scale student, duale studien
la literatura » la litterature, a literature
quito scale » equity scale, auto scale
a filosofia » la filosofia, e filosofia, di filosofia
studien a » studien am, studien _, studien 3

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "quito scale studien a filosofia ((pela literatura) OR (la literatura))".
• Adding a wildcard symbol may retrieve word variants: quito scale studien a filosofia ((pela literatura) OR (la literatura))*.