Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politica publica.", "sobre politica publicaciones.", "sobre politicas publicas."
"elite politicas publicas." » "elite politicas publicadas.", "elite politica publicaas.", "elite politicas pabloas.", "elites politicas publicas.", "elite politica publicas.", "elite politico publicas."
"serie politicas public." » "serie politicas publicad.", "serie politica publica.", "serie politicas pablo.", "serie policiaca public."

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: (("sobre politica publicas.") or ((("elite politicas publicas.") or ("serie politicas public."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politica publicas.") OR ((("elite politicas publicas.") OR ("serie politicas public.")))).
• Removing quotes may allow a broader search: (( sobre politica publicas. ) or ((( elite politicas publicas. ) or ( serie politicas public. )))).
• Adding a wildcard symbol may retrieve word variants: (("sobre politica publicas.") or ((("elite politicas publicas.") or ("serie politicas public."))))*.