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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("proceso contra statistical methods.") or ("proceso contralos science methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proceso contra statistical methods.") OR ("proceso contralos science methodology.")).
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• Adding a wildcard symbol may retrieve word variants: (("proceso contra statistical methods.") or ("proceso contralos science methodology."))*.