Perhaps you should try some spelling variations:
"procesos durante statistics methods." » "procesos durante statistics methodology.", "procesos state statistics methods.", "procesos death statistics methods.", "procesos usage statistics methods.", "producidos durante statistics methods.", "procesos mediante statistics methods.", "procesos balance statistics methods."
"proceso control statistical methods." » "process control statistical methods.", "proceso contra statistical methods.", "proceso contralos statistical methods.", "proceso 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: (("procesos durante statistics methods.") OR ("proceso control statistical methods."))~.
• Removing quotes may allow a broader search: (( procesos durante statistics methods. ) or ( proceso control statistical methods. ))~.
• Adding a wildcard symbol may retrieve word variants: (("procesos durante statistics methods.") or ("proceso control statistical methods."))*.