Perhaps you should try some spelling variations:
"elites politicas publico." » "elites politicas publicas.", "elites politicas publicad.", "elites politico publico.", "limites politicos publico.", "las politicas publico.", "ideas politicas publico."
"serie opinion publicos." » "serie opinion publica.", "serie oficios publicos.", "serie opinio publica.", "perez opinion publicos.", "sur opinion publicos."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."

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