Perhaps you should try some spelling variations:
"proceso contralos science methodology." » "proceso contralos sciences meteorology.", "proceso contralos science anthropology.", "proceso contra science methodology.", "proces contreles science methodology.", "procesos contables science methodology."
"procesal control statistical methods." » "process control statistical methods.", "social control statistical methods.", "proceso contra statistical methods.", "procesal control statistics methods.", "procesal 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: (("procesal control statistical methods.") or ("proceso contralos science methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("procesal control statistical methods.") OR ("proceso contralos science methodology.")).
• Removing quotes may allow a broader search: (( procesal control statistical methods. ) or ( proceso contralos science methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("procesal control statistical methods.") or ("proceso contralos science methodology."))*.