Perhaps you should try some spelling variations:
"etico politicos publicas." » "etico politica publicas.", "etico politicas publicad.", "etico politicos republica.", "etico politico publicas.", "etica politica publicas.", "mexico politics publicas."
"elite politicas publicas." » "elites politicas publicas.", "elite politica publicas.", "elite politico publicas."
"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 ("elite politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie oficial publico.") OR ("etico politicos publicas."))) OR ("elite politicas publicas.")).
• Removing quotes may allow a broader search: (((( serie oficial publico. ) or ( etico politicos publicas. ))) or ( elite politicas publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie oficial publico.") or ("etico politicos publicas."))) or ("elite politicas publicas."))*.