Perhaps you should try some spelling variations:
"las ciencias medicina" » "las ciencias medica", "las ciencia medica", "las ciencias medico"
"artes ciencias medicass" » "artes ciencia medicas", "artes ciencias m'dicas", "artes ciencias medica", "arte ciencia medicass", "artes ciencias medicals", "artes ciencias medicas"
"dilema ciencias medicas" » "dilema ciencia medicas", "digital ciencias medicas", "dilema ciencias medical", "dilema ciencias medica"

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: (((("las ciencias medicina") OR ("artes ciencias medicass"))) OR ("dilema ciencias medicas"))~.
• Removing quotes may allow a broader search: (((( las ciencias medicina ) or ( artes ciencias medicass ))) or ( dilema ciencias medicas ))~.
• Adding a wildcard symbol may retrieve word variants: (((("las ciencias medicina") or ("artes ciencias medicass"))) or ("dilema ciencias medicas"))*.