Perhaps you should try some spelling variations:
"etico politicos publicas." » "etico politicas publicas.", "etico politica publicas.", "etico politicas publicad.", "etico politico publicas.", "etica politica publicas.", "mexico politics publicas."
"elites politicas publica." » "elites politicas publicas.", "elites politicas publicad.", "elites politica publica.", "limites politicos publica.", "las politicas publica.", "ideas politicas publica."
"serie oficial publico." » "serie fichas publico."

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