Perhaps you should try some spelling variations:
"sobre politica publicasas." » "sobre politica publicas.", "sobre politicas publicas.", "sobre politicas republicanas.", "sobre politicas publicassas."
"sobre politicas public." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "serie politicas public."
"sobre politica publica." » "sobre politicas publicas."

You may be able to get more results by adjusting your search query.

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