Perhaps you should try some spelling variations:
"ingenieria electrica y fluidomecanica." » "ingenieria mecanica y fluidomecanica.", "energia electrica y fluidomecanica.", "ingenieria electrica fluidos mecanica.", "ingenieria electrica en fluidomecanica.", "ingenieria electrica de fluidomecanica.", "ingenieria electricas de fluidomecanica."
"ingenieria genetica de fluidomecanica." » "ingenieria mecanica de fluidomecanica.", "ingenieria general de fluidomecanica.", "ingenieria cinetica de fluidomecanica."

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: (("ingenieria genetica de fluidomecanica.") or ("ingenieria electrica y fluidomecanica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("ingenieria genetica de fluidomecanica.") OR ("ingenieria electrica y fluidomecanica.")).
• Removing quotes may allow a broader search: (( ingenieria genetica de fluidomecanica. ) or ( ingenieria electrica y fluidomecanica. )).
• Adding a wildcard symbol may retrieve word variants: (("ingenieria genetica de fluidomecanica.") or ("ingenieria electrica y fluidomecanica."))*.