Perhaps you should try some spelling variations:
"process control statistical methodology." » "process control statistics methodology.", "process control statistical methods.", "proceso control statistical methodology.", "procesal control statistical methodology."
"procesos sociales service methodology." » "procesos sociales science methodology.", "procesos sociales sciences methodology.", "procesos social service methodology.", "procesos sociales serie methodology.", "procesos sociales servicios methodology."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("process control statistical methodology.") or ("procesos sociales service methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("process control statistical methodology.") OR ("procesos sociales service methodology.")).
• Removing quotes may allow a broader search: (( process control statistical methodology. ) or ( procesos sociales service methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("process control statistical methodology.") or ("procesos sociales service methodology."))*.