Perhaps you should try some spelling variations:
na literatura » la literatura, a literatura, a literature
ante studien » dante studies, comte studien, erste studien
filosofia na » filosofia da, filosofia la, filosofia n
aue studien » neue studien, lage studien, die studien

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "texto ((ante studien) OR (aue studien)) _ filosofia na literatura".
• Adding a wildcard symbol may retrieve word variants: texto ((ante studien) OR (aue studien)) _ filosofia na literatura*.