Perhaps you should try some spelling variations:
"en quimica publicaciones." » "en publica publicaciones.", "en ciencia publicaciones.", "la quimica publicaciones.", "de quimica publicaciones."
"serie policiaca publicas." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "sobre politica publica.", "elite 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: (("en quimica publicaciones.") or ((("serie policiaca publicas.") OR ("serie politica publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("en quimica publicaciones.") OR ((("serie policiaca publicas.") OR ("serie politica publica.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"en quimica publicaciones.\") or (((\"serie policiaca publicas.\") OR (\"serie politica publica.\"))))".
• Removing quotes may allow a broader search: (( en quimica publicaciones. ) or ((( serie policiaca publicas. ) OR ( serie politica publica. )))).
• Adding a wildcard symbol may retrieve word variants: (("en quimica publicaciones.") or ((("serie policiaca publicas.") OR ("serie politica publica."))))*.