Perhaps you should try some spelling variations:
"proceso control statistical methodology." » "proceso control statistics methodology.", "proceso control statistical methods.", "process control statistical methodology.", "proceso contra statistical methodology.", "proceso contralos statistical methodology."
"procesos contables sciences methodology." » "procesos contables science methodology.", "procesos contables sciences meteorology.", "procesos contables science ethnology.", "procesos sociales sciences methodology.", "procesos penales sciences methodology."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("proceso control statistical methodology.") or ("procesos contables sciences methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proceso control statistical methodology.") OR ("procesos contables sciences methodology."))*.
• Removing quotes may allow a broader search: (( proceso control statistical methodology. ) or ( procesos contables sciences methodology. ))*.