Perhaps you should try some spelling variations:
"serie policiaca publico." » "serie politico publico.", "serie politica publicas.", "serie oficial publico."
"etico politicas publicas." » "etico politicos publicas.", "etico politica publicas.", "mexico politicas publicas."
"sobre politica publica." » "sobre politicas publica."

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

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