Perhaps you should try some spelling variations:
"coleccion social brasil." » "coleccion sociales brasil.", "eleccion social brasil.", "coleccion sociedad brasil."
"coleccion social mexico." » "coleccion sociales mexico.", "eleccion social mexico.", "coleccion sociedad mexico."
"coleccion ciclo basico." » "coleccion clacso basico.", "coleccion cian basico.", "coleccion como basico.", "coleccion curso basico."

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 ciclo basico.") or ((("coleccion social brasil.") or ("coleccion social mexico."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("coleccion ciclo basico.") OR ((("coleccion social brasil.") OR ("coleccion social mexico.")))).
• Removing quotes may allow a broader search: (( coleccion ciclo basico. ) or ((( coleccion social brasil. ) or ( coleccion social mexico. )))).
• Adding a wildcard symbol may retrieve word variants: (("coleccion ciclo basico.") or ((("coleccion social brasil.") or ("coleccion social mexico."))))*.