Perhaps you should try some spelling variations:
"ciencias experimental de neurologos ;" » "ciencia experimental de neurologos ;", "ciencias experimentales de neurologos ;", "ciencies experimentals de neurologos ;", "ciencias experimental de neurologia ;", "ciencias experimental de teologos ;", "ciencias experimental de nefrologia ;"
"science experimental y tecnologia ;" » "science experiments y tecnologia ;", "sciences experiments y tecnologia ;", "ciencia experimental y tecnologia ;", "science experimentales y tecnologia ;", "science experimental en tecnologia ;", "science experimental del tecnologia ;"

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: (("ciencias experimental de neurologos ;") or ("science experimental y tecnologia ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("ciencias experimental de neurologos ;") OR ("science experimental y tecnologia ;")).
• Removing quotes may allow a broader search: (( ciencias experimental de neurologos ; ) or ( science experimental y tecnologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("ciencias experimental de neurologos ;") or ("science experimental y tecnologia ;"))*.