Perhaps you should try some spelling variations:
"serie politicas publica." » "serie politicas publicad.", "serie politica publica.", "serie politica publicas."
"sobre politicas publicas." » "sobre politicas publicads.", "sobre politica publicas.", "sobre politica publicass.", "sobre politicas public.", "sobre politicas publico."
"serie policiaca publica." » "serie politica publica.", "serie politica publicas.", "serie politicas publicad."

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 publica.") OR ("serie policiaca publica."))) or ("sobre politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politicas publica.") OR ("serie policiaca publica."))) OR ("sobre politicas publicas.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie politicas publica.\") OR (\"serie policiaca publica.\"))) or (\"sobre politicas publicas.\"))".
• Removing quotes may allow a broader search: (((( serie politicas publica. ) OR ( serie policiaca publica. ))) or ( sobre politicas publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politicas publica.") OR ("serie policiaca publica."))) or ("sobre politicas publicas."))*.