Perhaps you should try some spelling variations:
"processing software service methodology." » "procesos software service methodology.", "programming software service methodology.", "processing software science methodology.", "processing software sciences methodology.", "processing software america methodology.", "processing software version methodology."
"process control statistical methods." » "process control statistics methods.", "process 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: (("processing software service methodology.") or ("process control statistical methods."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("processing software service methodology.") OR ("process control statistical methods.")).
• Removing quotes may allow a broader search: (( processing software service methodology. ) or ( process control statistical methods. )).
• Adding a wildcard symbol may retrieve word variants: (("processing software service methodology.") or ("process control statistical methods."))*.