Perhaps you should try some spelling variations:
durante studien » ante studien, dante studies, duale studien
texto durante » mexico durante, bello durante, quito durante
la literatura » la litterature, a literature
filosofia la » filosofia da, filosofia le, filosofica da
4 filosofia » e filosofia, a filosofia, y filosofia
studien 4 » studien _, studien 3, studien 5