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

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

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