Perhaps you should try some spelling variations:
"proceso contra statistical methodology." » "proceso contra statistics methodology.", "proceso contra statistical methods.", "proceso control statistical methodology.", "process control statistical methodology."
"procesos control estadistica methods." » "procesos control estadistico methods.", "procesos control statistical methods.", "procesos economia estadistica methods.", "procesos control estadisticas metodos.", "procesos control estadisticas medicas.", "process control estadistica methods.", "procesos contables estadistica methods.", "proceso contralos estadistica 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: (("proceso contra statistical methodology.") OR ("procesos control estadistica methods."))~.
• Removing quotes may allow a broader search: (( proceso contra statistical methodology. ) or ( procesos control estadistica methods. ))~.
• Adding a wildcard symbol may retrieve word variants: (("proceso contra statistical methodology.") or ("procesos control estadistica methods."))*.