Perhaps you should try some spelling variations:
y tecnologica » y tecnologicas (Expand Search), y tecnologia (Expand Search), y tecnologias (Expand Search)
y tecnolog » y tecnologia (Expand Search), y tecnologias (Expand Search), _ technology (Expand Search)
8da de » hda de (Expand Search)
de las » de la (Expand Search), de los (Expand Search)
tecnolog » technolog (Expand Search), tecnosog (Expand Search)
tecnologica » technologica (Expand Search), tecnosogica (Expand Search)
tecnol%c3%93gicas%3atecnolog%c3%8da » technol%c3%93gicas%3atechnolog%c3%8da (Expand Search), tecnos%c3%93gicas%3atecnosog%c3%8da (Expand Search)
telecomunicaciones%22 » comunicaciones%22 (Expand Search)

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: %22area%3aingenier%c3%8da ((y tecnolog) OR (y tecnologica))%c3%8da%3aciencias tecnol%c3%93gicas%3atecnolog%c3%8da de las telecomunicaciones%22~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22area%3aingenier%c3%8da ((y tecnolog) OR (y tecnologica))%c3%8da%3aciencias tecnol%c3%93gicas%3atecnolog%c3%8da de las telecomunicaciones%22".
• Adding a wildcard symbol may retrieve word variants: %22area%3aingenier%c3%8da ((y tecnolog) OR (y tecnologica))%c3%8da%3aciencias tecnol%c3%93gicas%3atecnolog%c3%8da de las telecomunicaciones%22*.