Perhaps you should try some spelling variations:
da literatura » la literatura, a literatura, de literatura
tests cattle » pets cattle, test battle, tested battle
filosofia da » filosofia de, filosofia del, filosofia e
studies die » studie die, studies does, studies dose
studien die » studie die, studien der

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 cattle ((studies die) OR (studien die)) filosofia da literatura".
• Adding a wildcard symbol may retrieve word variants: tests cattle ((studies die) OR (studien die)) filosofia da literatura*.