Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politica publica.", "sobre politica publicaciones.", "sobre politicas publicas."
"series politicas public." » "series political public.", "serie politica public.", "especies politicas public.", "series politicas publicad.", "series politica publica.", "series politicas pablo."
"serie politicas publicas." » "serie politicas publicadas.", "serie politica publicaas.", "serie politicas pabloas.", "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: (((("serie politicas publicas.") or ("series politicas public."))) or ("sobre politica publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politicas publicas.") OR ("series politicas public."))) OR ("sobre politica publicas.")).
• Removing quotes may allow a broader search: (((( serie politicas publicas. ) or ( series politicas public. ))) or ( sobre politica publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politicas publicas.") or ("series politicas public."))) or ("sobre politica publicas."))*.