Perhaps you should try some spelling variations:
"serie policiacas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca public.", "serie politicas public.", "series politicas public."
"serie politica publicaa." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas.", "serie politicas publicaa.", "serie policiaca publicaa.", "elite politica publicaa."
"sobre politica publicaa." » "sobre politica publica.", "sobre politica publicas.", "sobre politicas publicas.", "sobre politicas publicaa."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("serie policiacas public.") or ((("serie politica publicaa.") OR ("sobre politica publicaa."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie policiacas public.") OR ((("serie politica publicaa.") OR ("sobre politica publicaa."))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"serie policiacas public.\") or (((\"serie politica publicaa.\") OR (\"sobre politica publicaa.\"))))*".
• Removing quotes may allow a broader search: (( serie policiacas public. ) or ((( serie politica publicaa. ) OR ( sobre politica publicaa. ))))*.