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