Perhaps you should try some spelling variations:
"entre politica publicas." » "entre politicas publicas.", "entre politica publica.", "entre politica publicaciones.", "sobre politica publicas."
"etica politica publicas." » "etica politicas publicas.", "etica politica publica.", "etica politica publicaciones.", "publica politica publicas."
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca publica."

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