Perhaps you should try some spelling variations:
la literatura » la litterature, a literature
ideas studies » deas studies, beams studies, beads studies
ideas studie » deas studies, areas studio, evas studie
de filosofia » e filosofia, di filosofia, la filosofia
filosofia la » filosofia da, filosofia le, filosofica da

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: test ((ideas studie) OR (ideas studies)) de filosofia la literatura.
• Adding a wildcard symbol may retrieve word variants: test ((ideas studie) or (ideas studies)) de filosofia la literatura*.