Perhaps you should try some spelling variations:
"sobre politicas publicad." » "sobre politicas publicas.", "sobre politica publicas.", "sobre politicos republica.", "sobre politicas publicasad.", "sobre politica publicasad.", "sobre politicas pabload.", "serie politicas publicad."
"sobre politicas public." » "sobre politicas publicas.", "sobre politica publicas.", "sobre politicas pablo.", "serie politicas public."
"sobre politica publica." » "sobre politicas publicas."

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