Perhaps you should try some spelling variations:
texto social » text social, texts social, texas social
texto scale » femto scale, texture scale
filosofia y » filosofia _, filosofia de, filosofia da
filosofia e » filosofia de, filosofia del
study da » study das, study dca, study d

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((texto scale) OR (texto social)) study da ((filosofia y) OR (filosofia e)) literatura.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((texto scale) or (texto social)) study da ((filosofia y) OR (filosofia e)) literatura".
• Adding a wildcard symbol may retrieve word variants: ((texto scale) or (texto social)) study da ((filosofia y) OR (filosofia e)) literatura*.