Perhaps you should try some spelling variations:
care literature » scale literature, age literature, change literature
filosofia care » filosofia para, filosofia parfa, filosofia de
scale studien » scale studies, scale student, duale studien
tests scale » tests stable, sets scale, tests safe
3 filosofia » e filosofia, a filosofia, y filosofia
studien 3 » studien _, studien 4, studien 5