Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicad.", "sobre politica publica.", "sobre politica publicas.", "sobre politicas publicada.", "sobre politica publicaa.", "sobre politica publicasa.", "serie politicas publica."
"sobre politicas publicas." » "sobre politicas publicads.", "sobre politica publicas.", "sobre politica publicass.", "sobre politicas publicadas.", "sobre politica publicaas.", "sobre politica publicasas.", "serie politicas publicas."
"sobre politicas public." » "sobre politicas publicad.", "sobre politica publica.", "sobre politica publicas.", "sobre politica public.", "serie 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 politicas publica.") or ((("sobre politicas publicas.") OR ("sobre politicas public."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politicas publica.") OR ((("sobre politicas publicas.") OR ("sobre politicas public.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"sobre politicas publica.\") or (((\"sobre politicas publicas.\") OR (\"sobre politicas public.\"))))".
• Removing quotes may allow a broader search: (( sobre politicas publica. ) or ((( sobre politicas publicas. ) OR ( sobre politicas public. )))).
• Adding a wildcard symbol may retrieve word variants: (("sobre politicas publica.") or ((("sobre politicas publicas.") OR ("sobre politicas public."))))*.