Perhaps you should try some spelling variations:
"ideas politicas publica." » "ideas politicas publicad.", "ideas politica publica.", "ideas politica publicas.", "las politicas publica.", "ideologias politicas publica."
"serie politicas publicas." » "serie politicas publicads.", "serie politica publicas.", "serie politica publicass.", "serie policiaca publicas.", "serie politicas publico."
"sobre politica public." » "sobre politica publica.", "sobre politica publicas.", "sobre politico publico.", "sobre politicas public."

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