Perhaps you should try some spelling variations:
protests during » proteins during, process during, processes during
during studies » docking studies, housing studies, aging studies
der filosofica » de filosofia, e filosofica, e filosofia
la litterature » a literature
la literatura » a literature
studies der » studies ds, studies d, studies dn

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: "protests during studies der filosofica ((la literatura) OR (la litterature))".
• Adding a wildcard symbol may retrieve word variants: protests during studies der filosofica ((la literatura) OR (la litterature))*.