Perhaps you should try some spelling variations:
"procesos medianas estadisticas methods." » "procesos medidas estadisticas methods.", "procesos espana estadistica methods.", "procesos mexico estadisticas methods.", "procesos medianas estadisticas metodos.", "procesos medianas statistical methods.", "procesos medianas estadisticas datos.", "procesos mediante estadisticas methods.", "procesados mediante estadisticas methods.", "procesos mediaticos estadisticas methods."
"process control estadisticas methods." » "process control estadistica methods.", "process control estadistico methods.", "process control statistical methods.", "process control estadisticas metodos.", "process control estadisticas datos.", "proceso control estadisticas methods.", "procesal control estadisticas methods."

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: (("process control estadisticas methods.") OR ("procesos medianas estadisticas methods."))~.
• Removing quotes may allow a broader search: (( process control estadisticas methods. ) or ( procesos medianas estadisticas methods. ))~.
• Adding a wildcard symbol may retrieve word variants: (("process control estadisticas methods.") or ("procesos medianas estadisticas methods."))*.