Perhaps you should try some spelling variations:
"ciencies experimentales y tecnologia ;" » "ciencias experimentales y tecnologia ;", "ciencia experimentales y tecnologia ;", "evidencias experimentales y tecnologia ;", "ciencies experimental de tecnologia ;"
"ciencies experimentals y tecnologia ;" » "ciencias experimentales y tecnologia ;", "science experiments y tecnologia ;", "ciencies experimental y tecnologia ;", "ciencies experimentals 2 tecnologia ;", "ciencies experimentales a 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: (("ciencies experimentals y tecnologia ;") OR ("ciencies experimentales y tecnologia ;"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"ciencies experimentals y tecnologia ;\") OR (\"ciencies experimentales y tecnologia ;\"))".
• Removing quotes may allow a broader search: (( ciencies experimentals y tecnologia ; ) OR ( ciencies experimentales y tecnologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("ciencies experimentals y tecnologia ;") OR ("ciencies experimentales y tecnologia ;"))*.