Perhaps you should try some spelling variations:
filosofia vii » filosofia di, filosofia del, filosofia de
vii literatur » viii literatur, vi literatur, ii literatur
safe studien » aue studien, safe studio, safety studies
am filosofia » a filosofia, em filosofia, la filosofia
tests safe » tests safety, tests scale, tests space
studien am » studien a, studien aus, studien auf