Perhaps you should try some spelling variations:
dos editores » los editores, dos escritores, los auditores
la medicina » de medicina
de editores » de auditores, b editores, y editores
y medicina » de medicina, en medicina, y mediana
duke dos » de dos
de de » de fe, de di
medianas, » mediana,, mediante,, medicas,

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: (( ((y medicina) OR (la medicina)), de de editores. ) OR ( y medianas, duke dos editores. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((y medicina) OR (la medicina)), de de editores. ) or ( y medianas, duke dos editores. ))~".
• Adding a wildcard symbol may retrieve word variants: (( ((y medicina) OR (la medicina)), de de editores. ) or ( y medianas, duke dos editores. ))*.