Perhaps you should try some spelling variations:
de editores » dos editores, de auditores, b editores
y mediacion » la mediacion, de mediacion
y mexicos » y medicos, y mexicanos, y medios
y autores » y actores, de autores
y mexico » _ mexico
de de » de fe, de di
bou y » bom y, bau y, pou y

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 mexico) OR (y mexicos)), de de editores. ) OR ( y mediacion, bou y autores. ))~.
• Adding a wildcard symbol may retrieve word variants: (( ((y mexico) or (y mexicos)), de de editores. ) or ( y mediacion, bou y autores. ))*.