Perhaps you should try some spelling variations:
"process control estadistico methodology." » "process control statistics methodology.", "process control statistical methodology."
"procesos contables science methodology." » "procesos contables sciences meteorology.", "procesos contables science anthropology.", "procesos sociales science methodology.", "procesos penales science methodology."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("procesos contables science methodology.") OR ("process control estadistico methodology."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"procesos contables science methodology.\") OR (\"process control estadistico methodology.\"))".
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• Adding a wildcard symbol may retrieve word variants: (("procesos contables science methodology.") OR ("process control estadistico methodology."))*.