Perhaps you should try some spelling variations:
"procesos control statistical methodology." » "procesos control statistics methodology.", "procesos control statistical methods.", "process control statistical methodology.", "proceso contra statistical methodology.", "procesos contables statistical methodology."
"proceso contratos based methodology." » "proceso contralos based methodology.", "proceso contra based methodology.", "process control based methodology.", "proceso contratos values methodology.", "proceso contratos law methodology.", "proceso contratos proposed methodology.", "proceso contratos casos methodology.", "proceso contratos reales 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 control statistical methodology.") or ("proceso contratos based methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("procesos control statistical methodology.") OR ("proceso contratos based methodology.")).
• Removing quotes may allow a broader search: (( procesos control statistical methodology. ) or ( proceso contratos based methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("procesos control statistical methodology.") or ("proceso contratos based methodology."))*.