Perhaps you should try some spelling variations:
protests during » proteins during, process during, processes during
during studies » docking studies, housing studies, aging studies
de litterature » la litterature, et litterature
filosofica de » filosoficas de, filosofia de, filosofica da
5 filosofica » e filosofica, e filosofia, a filosofia

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• Adding a wildcard symbol may retrieve word variants: protests during studies 5 filosofica de litterature*.