Perhaps you should try some spelling variations:
"especies quimicas public." » "especies exoticas public."
"serie policiaca publica." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas."
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("especies quimicas public.") or ("serie politicas public."))) or ("serie policiaca publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("especies quimicas public.") OR ("serie politicas public."))) OR ("serie policiaca publica.")).
• Removing quotes may allow a broader search: (((( especies quimicas public. ) or ( serie politicas public. ))) or ( serie policiaca publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("especies quimicas public.") or ("serie politicas public."))) or ("serie policiaca publica."))*.