Perhaps you should try some spelling variations:
frage studien » lage studien, frage stellen, erste studien
die filologia » de filologia, e filologia, de fisiologia
di filologia » di filosofia
y literatura » la literatura
tests frage » tests fake, tests free, tests face

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: "tests frage studien ((die filologia) OR (di filologia)) y literatura".
• Adding a wildcard symbol may retrieve word variants: tests frage studien ((die filologia) OR (di filologia)) y literatura*.