Perhaps you should try some spelling variations:
"ciencies experimentales a tecnologia ;" » "ciencias experimentales a tecnologia ;", "ciencies experimentals a tecnologia ;", "ciencia experimentales a tecnologia ;", "ciencies experimentalses a tecnologia ;", "ciencias experimentaleses a tecnologia ;", "ciencies experimentales y tecnologia ;", "ciencies experimentales de tecnologia ;", "ciencies experimentales en tecnologia ;", "ciencies experimentales la tecnologia ;", "ciencies experimentales i tecnologia ;", "ciencies experimentales _ tecnologia ;"
"ciencies experimental y tecnologia ;" » "ciencies experimentals y tecnologia ;", "ciencia experimental y tecnologia ;", "ciencias experimentales y tecnologia ;", "ciencies experimentales y tecnologia ;", "ciencies experimental de tecnologia ;", "ciencies experimental en 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: (("ciencies experimentales a tecnologia ;") OR ("ciencies experimental y tecnologia ;"))~.
• Removing quotes may allow a broader search: (( ciencies experimentales a tecnologia ; ) or ( ciencies experimental y tecnologia ; ))~.
• Adding a wildcard symbol may retrieve word variants: (("ciencies experimentales a tecnologia ;") or ("ciencies experimental y tecnologia ;"))*.