Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publica.", "sobre politicas publicasa.", "sobre politicas publicada.", "sobre politica publicaa."
"ideas politica publicas." » "ideas politicas publicas.", "ideas politica publica.", "ideas politica publicaciones.", "ideal politico publicas.", "indias political publicas."
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca 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: (("serie politicas public.") or ((("sobre politicas publica.") or ("ideas politica publicas."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie politicas public.") OR ((("sobre politicas publica.") OR ("ideas politica publicas.")))).
• Removing quotes may allow a broader search: (( serie politicas public. ) or ((( sobre politicas publica. ) or ( ideas politica publicas. )))).
• Adding a wildcard symbol may retrieve word variants: (("serie politicas public.") or ((("sobre politicas publica.") or ("ideas politica publicas."))))*.