Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politica publica.", "sobre politica publicaciones.", "sobre politica publicaas.", "sobre politico publicoas.", "sobre politicas publicadas.", "sobre politicas publicas."
"entre politica public." » "entre politica publica.", "entre politico publico.", "entre politicas publicad."
"serie politicas publicas." » "serie policiaca publicas."

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