Perhaps you should try some spelling variations:
de literatura » de litterature, la literatura, y literatura
filosofia de » filosofia del
texto scale » femto scale, texture scale, texto social
study lca » study lia, study loa, study local
study la » study law, study lay, study lia

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 ((study lca) OR (study la)) filosofia de literatura.
• Adding a wildcard symbol may retrieve word variants: texto scale ((study lca) or (study la)) filosofia de literatura*.