Perhaps you should try some spelling variations:
"process control statistics methodology." » "process control semiotics methodology.", "process control linguistics methodology.", "process control statistical methodology.", "process control estadistico methodology.", "process control estadistica methodology.", "procesos control statistics methodology.", "procesal control statistics methodology."
"proceso contratos sciences methodology." » "proceso contratos science methodology.", "proceso contratos sciences meteorology.", "proceso contratos science ethnology.", "proceso contratos civiles methodology.", "proceso contratos frances methodology.", "proceso contralos sciences methodology.", "proceso contra sciences methodology.", "proceso continuo sciences methodology."

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 statistics methodology.") OR ("proceso contratos sciences methodology."))~.
• Removing quotes may allow a broader search: (( process control statistics methodology. ) or ( proceso contratos sciences methodology. ))~.
• Adding a wildcard symbol may retrieve word variants: (("process control statistics methodology.") or ("proceso contratos sciences methodology."))*.