Perhaps you should try some spelling variations:
studies frank » studies trans, studies fang, studies framing
da literature » a literature, da literatura, la literature
texts social » tests social, texas social, text social
filosofia da » filosofia de, filosofia del, filosofia e
studies fra » studies from, studies fear, studies ford

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: "texts social ((studies fra) OR (studies frank)) filosofia da literature".
• Adding a wildcard symbol may retrieve word variants: texts social ((studies fra) OR (studies frank)) filosofia da literature*.