Perhaps you should try some spelling variations:
"las politicas publico." » "las politicas publicas.", "las politicas publicad.", "las politica publica."
"etico politicos publico." » "etico politico publico.", "etico politicos republica.", "etico politicas publicas.", "etica politica publico.", "mexico politics publico."
"serie politica publicas." » "serie politicas publicas.", "serie politica publica.", "serie politica publicaciones.", "serie policiaca publicas.", "sobre politica publicas."

Try widening your search to All Fields.

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

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