Perhaps you should try some spelling variations:
la literatura » la litterature, a literature
filosofia la » filosofia da, filosofia le, filosofica da
i filosofia » di filosofia, e filosofia, a filosofia
4 studium » _ studium, 2 studium, 4 stadium
studium i » studium im, studium _, studium 1
est 4 » test 4, rest 4, west 4