Perhaps you should try some spelling variations:
"ciencia experimentales y tecnologia ;" » "ciencias experimentales y tecnologia ;", "ciencies experimentals y tecnologia ;", "ciencia experimentos y tecnologia ;", "ciencia experimentoses y tecnologia ;", "ciencias experimentaleses y tecnologia ;", "ciencies experimentalses y tecnologia ;"
"ciencia experimental de tecnologia ;" » "ciencia experimentos de tecnologia ;", "ciencias experimentales de tecnologia ;", "ciencies experimentals de tecnologia ;", "ciencia experimental la tecnologia ;", "ciencia experimental 664 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: (("ciencia experimentales y tecnologia ;") or ("ciencia experimental de tecnologia ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("ciencia experimentales y tecnologia ;") OR ("ciencia experimental de tecnologia ;")).
• Removing quotes may allow a broader search: (( ciencia experimentales y tecnologia ; ) or ( ciencia experimental de tecnologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("ciencia experimentales y tecnologia ;") or ("ciencia experimental de tecnologia ;"))*.