Perhaps you should try some spelling variations:
ciencias experimental » ciencia experimental, ciencias experimentales, ciencies experimentals
ciencias experimentos » ciencias experimentales, ciencies experimentals, ciencias instrumentos
experimentos 664 » experimentos de, experimentos con, experimentos en
experimental la » experimental fae, experimental de, experimental en
664 tecnologia » y tecnologia
la tecnologia » y tecnologia

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( ciencias experimental la tecnologia ; ) OR ( ciencias experimentos 664 tecnologia ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( ciencias experimental la tecnologia ; ) or ( ciencias experimentos 664 tecnologia ; ))*.