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