Perhaps you should try some spelling variations:
"ciencies experimentals 18 tecnologia ;" » "ciencias experimentales 18 tecnologia ;", "science experiments 18 tecnologia ;", "ciencies experimentals 2 tecnologia ;", "ciencies experimentales de tecnologia ;", "ciencies experimentales en tecnologia ;", "ciencies experimentals 668 tecnologia ;", "ciencies experimentals y tecnologia ;", "ciencies experimentals la tecnologia ;"
"ciencias experimental de neurologos ;" » "ciencia experimental de neurologos ;", "ciencias experimentales de neurologos ;", "ciencias experimentos de neurologos ;", "ciencias experimental de neurologia ;", "ciencias experimental de teologos ;", "ciencias experimental de nefrologia ;"

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 ("ciencies experimentals 18 tecnologia ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("ciencias experimental de neurologos ;") OR ("ciencies experimentals 18 tecnologia ;")).
• Removing quotes may allow a broader search: (( ciencias experimental de neurologos ; ) or ( ciencies experimentals 18 tecnologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("ciencias experimental de neurologos ;") or ("ciencies experimentals 18 tecnologia ;"))*.