Perhaps you should try some spelling variations:
"serie politica publicas." » "serie politicas publicas.", "serie politica publicaciones.", "serie politicas publicass.", "serie policiaca publicas.", "elite politica publicas."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."
"serie fichas publicos." » "serie oficios publicos.", "serie fines publicos.", "serie oficiales publicos.", "serie actas publicos."

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 publicas.") or ("sobre politica publica."))) or ("serie fichas publicos."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica publicas.") OR ("sobre politica publica."))) OR ("serie fichas publicos."))*.
• Removing quotes may allow a broader search: (((( serie politica publicas. ) or ( sobre politica publica. ))) or ( serie fichas publicos. ))*.