Perhaps you should try some spelling variations:
"coleccion social basica." » "coleccion sociales basica.", "eleccion social basica.", "coleccion sociedad basica.", "coleccion social basico.", "coleccion social asia.", "coleccion social hacia."
"coleccion manuales class." » "coleccion manuales ars."
"accion social clasico." » "accion social basico.", "accion social classes.", "accion social class.", "educacion social clasico."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("coleccion social basica.") or ("coleccion manuales class."))) or ("accion social clasico."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("coleccion social basica.") OR ("coleccion manuales class."))) OR ("accion social clasico.")).
• Removing quotes may allow a broader search: (((( coleccion social basica. ) or ( coleccion manuales class. ))) or ( accion social clasico. )).
• Adding a wildcard symbol may retrieve word variants: (((("coleccion social basica.") or ("coleccion manuales class."))) or ("accion social clasico."))*.