Perhaps you should try some spelling variations:
"serie policiacas public." » "serie politicas publicas.", "serie politicas publicad.", "serie policiaca public.", "serie politicas public.", "series politicas public."
"crises political public." » "crisis politica public.", "crisis politicas public.", "artists political public.", "crises politicas publicas.", "crises politicas publicad.", "crises politica publicas."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."

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: (((("crises political public.") or ("serie policiacas public."))) or ("serie politica publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("crises political public.") OR ("serie policiacas public."))) OR ("serie politica publica.")).
• Removing quotes may allow a broader search: (((( crises political public. ) or ( serie policiacas public. ))) or ( serie politica publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("crises political public.") or ("serie policiacas public."))) or ("serie politica publica."))*.