Perhaps you should try some spelling variations:
"publica politica publicad." » "publica politicas publicad.", "publica politica publicas.", "publica politicas publicas.", "public policy publicad.", "publica politicas publicasd."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"serie oficial publico." » "serie fichas publico."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("serie oficial publico.") or ("publica politica publicad."))) or ("serie politica publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie oficial publico.") OR ("publica politica publicad."))) OR ("serie politica publica."))*.
• Removing quotes may allow a broader search: (((( serie oficial publico. ) or ( publica politica publicad. ))) or ( serie politica publica. ))*.