Perhaps you should try some spelling variations:
"process control statistical methodology." » "process control statistics methodology.", "process control statistical methods.", "procesos control statistical methodology.", "procesal control statistical methodology."
"proceso contralos service methodology." » "proceso contralos science methodology.", "proceso contralos sciences methodology.", "proceso contra service methodology.", "proces contreles service methodology.", "procesos contables service 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 ("proceso contralos service methodology."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"process control statistical methodology.\") OR (\"proceso contralos service methodology.\"))*".
• Removing quotes may allow a broader search: (( process control statistical methodology. ) OR ( proceso contralos service methodology. ))*.