Perhaps you should try some spelling variations:
ones studenten » eines studenten, des studenten, von studenten
3 filosofici » e filosofica, v filosofii, y filosofico
filosofici e » filosofica e, filosofico e, filosofia e
e literatura » de literatura, y literatura, e literatur
tested ones » test ones, tested new, tested steps
studenten 3 » studenten _, studenten 5, studenten 4