Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas."
"limites criticos republica." » "limites juridicos republica.", "limites politicos republica.", "limites eticos republica."
"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 ("limites criticos republica."))) or ("serie policiaca publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie oficial publico.") OR ("limites criticos republica."))) OR ("serie policiaca publica.")).
• Removing quotes may allow a broader search: (((( serie oficial publico. ) or ( limites criticos republica. ))) or ( serie policiaca publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie oficial publico.") or ("limites criticos republica."))) or ("serie policiaca publica."))*.