Perhaps you should try some spelling variations:
new studenten » der studenten, den studenten, bei studenten
y filosofica » y filosofia, e filosofica, y filosofico
filosofica e » filosofia e, filosofica da, filosofia de
e literatura » de literatura, y literatura, e literatur
studenten y » studenten _, studenten 5, studenten 3
tested new » tester new, untested new, tested ones