Perhaps you should try some spelling variations:
da litterature » la litterature, de litterature, a litterature
over studium » oder studium, over studie, over studien
da filosofia » la filosofia, di filosofia, a filosofia
filosofia da » filosofia de, filosofia del, filosofia e
studium da » studium das, studium a, studium d
text over » text oder, text move, text one