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

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