Perhaps you should try some spelling variations:
"las ciencias medicina" » "las ciencias medica", "las ciencias medicas", "las ciencias medico"
"artes ciencia medicas" » "artes ciencias medicas", "artes ciencias medicass", "artes ciencia mexicos", "artes ciencia mexicanas", "arte ciencia medicas", "ariel ciencia medicas"
"dilema ciencia medica" » "alma ciencia medica", "simpleza ciencia medica", "dilema ciencias medicas", "dilema ciencia mexico", "dilema ciencia mexicana"

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