Perhaps you should try some spelling variations:
et litterature » la litterature, art literature
die filologia » de filologia, e filologia, de fisiologia
di filologia » di filosofia
local phase » luteal phase
phase study » case study, acase study, phase studies

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: local phase study ((die filologia) OR (di filologia)) et litterature.
• Adding a wildcard symbol may retrieve word variants: local phase study ((die filologia) or (di filologia)) et litterature*.