Perhaps you should try some spelling variations:
"ingenieria electrica en biomecanica." » "ingenieria mecanica en biomecanica.", "energia electrica en biomecanica.", "ingenieria electrica la biomecanica.", "ingenieria electrica en mecanica."
"ingenieria genetica fluidos mecanica." » "ingenieria mecanica fluidos mecanica.", "ingenieria general fluidos mecanica.", "ingenieria genetica luis mecanica.", "ingenieria genetica fluid mechanics."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("ingenieria genetica fluidos mecanica.") or ("ingenieria electrica en biomecanica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("ingenieria genetica fluidos mecanica.") OR ("ingenieria electrica en biomecanica.")).
• Removing quotes may allow a broader search: (( ingenieria genetica fluidos mecanica. ) or ( ingenieria electrica en biomecanica. )).
• Adding a wildcard symbol may retrieve word variants: (("ingenieria genetica fluidos mecanica.") or ("ingenieria electrica en biomecanica."))*.