Perhaps you should try some spelling variations:
"sobre politica publicasas." » "sobre politica publicas.", "sobre politicas publicas.", "sobre politicas republicanas.", "sobre politicas publicassas.", "sobre politicas publicasas."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "elite politica publica."
"serie policiaca public." » "serie politica publicas.", "serie politico 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 politica publica.") or ("serie policiaca public."))) or ("sobre politica publicasas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica publica.") OR ("serie policiaca public."))) OR ("sobre politica publicasas."))*.
• Removing quotes may allow a broader search: (((( serie politica publica. ) or ( serie policiaca public. ))) or ( sobre politica publicasas. ))*.