Perhaps you should try some spelling variations:
"sobre politicas publicad." » "sobre politicas publicas.", "sobre politica publicas.", "sobre politicos republica."
"serie politicas pabloas." » "serie politicas pablo.", "serie politicas publicas.", "serie politica pablo.", "serie policiaca pabloas."
"sobre politica publica." » "sobre politicas publicas."

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

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