Perhaps you should try some spelling variations:
"ciencias experimental de tecnologia ;" » "ciencia experimental de tecnologia ;", "ciencies experimentals de tecnologia ;", "ciencias experimentos de tecnologia ;", "ciencias experimental y tecnologia ;", "ciencias experimental la tecnologia ;"
"ciencias experimentales 664 tecnologia ;" » "ciencia experimentales 664 tecnologia ;", "ciencies experimentalses 664 tecnologia ;", "ciencias experimentoses 664 tecnologia ;", "ciencias experimentales y tecnologia ;", "ciencias experimentales de tecnologia ;", "ciencias experimentales en tecnologia ;", "ciencias experimentales la tecnologia ;"

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 tecnologia ;") or ("ciencias experimentales 664 tecnologia ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("ciencias experimental de tecnologia ;") OR ("ciencias experimentales 664 tecnologia ;")).
• Removing quotes may allow a broader search: (( ciencias experimental de tecnologia ; ) or ( ciencias experimentales 664 tecnologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("ciencias experimental de tecnologia ;") or ("ciencias experimentales 664 tecnologia ;"))*.