Perhaps you should try some spelling variations:
e litterature » et litterature, de litterature, en litterature
de filologia » di filologia, de filosofia, e fisiologia
phase study » case study, acase study, phase studies
filologia e » filologica e, fisiologia e, filologici e
oral phase » normal phase, local phase, dual phase
study de » study die, study der, study dem

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

• Adding a wildcard symbol may retrieve word variants: oral phase study de filologia e litterature*.