Perhaps you should try some spelling variations:
"las politicas publica." » "las politicas publicad.", "las politica publicas.", "las politicos republica."
"las politicas publicas." » "las politicas publicads.", "las politica publicass.", "las politicos republicas.", "las politicas public.", "las politicas publico."
"sobre politica publica." » "sobre politicas publica."

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 publica.") or ((("las politicas publica.") OR ("las politicas publicas."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politica publica.") OR ((("las politicas publica.") OR ("las politicas publicas.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"sobre politica publica.\") or (((\"las politicas publica.\") OR (\"las politicas publicas.\"))))".
• Removing quotes may allow a broader search: (( sobre politica publica. ) or ((( las politicas publica. ) OR ( las politicas publicas. )))).
• Adding a wildcard symbol may retrieve word variants: (("sobre politica publica.") or ((("las politicas publica.") OR ("las politicas publicas."))))*.