Perhaps you should try some spelling variations:
filosofica la » filosofica da, filosofia la, filosofia da
la literatura » la litterature, a literature
assets based » asset based, sets based, assays based
assets case » sets case, assets asset
studien e » studien es, studien _, studien 4
studien 3 » studien _, studien 4, studien 5

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: ((assets case) OR (assets based)) ((studien e) OR (studien 3)) filosofica la literatura.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((assets case) OR (assets based)) ((studien e) or (studien 3)) filosofica la literatura".
• Adding a wildcard symbol may retrieve word variants: ((assets case) OR (assets based)) ((studien e) or (studien 3)) filosofica la literatura*.