Perhaps you should try some spelling variations:
ciencas sociales » ciencias sociales, ciencia social
ciencias social » ciencia social, ciencias sociales, ciencies socials
a ciencias » la ciencias, y ciencias, e ciencias
lectura la » lectura una, lectura de, lectura y
la ciencas » la ciencias, las ciencas, la cienca
lectura a » lectura y, lectura de, lectura en

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( lectura a ciencias social ; ) or ( lectura la ciencas sociales ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( lectura a ciencias social ; ) OR ( lectura la ciencas sociales ; )).
• Adding a wildcard symbol may retrieve word variants: (( lectura a ciencias social ; ) or ( lectura la ciencas sociales ; ))*.