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