Perhaps you should try some spelling variations:
die studenten » der studenten, den studenten, fur studenten
3 filosofico » y filosofico, y filosoficos, e filosofica
filosofico e » filosofica e, filosofici e, filosofia e
e literatura » de literatura, y literatura, e literatur
studenten 3 » studenten _, studenten 5, studenten 4
test die » test de, west die, test drive