Perhaps you should try some spelling variations:
"programming software design methodology." » "programming software spain methodology.", "programming software mexico methodology.", "programming software modeling methodology.", "programming software version methodology.", "programming software desde 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("programming software design methodology.") OR ("process control statistical methods."))~.
• Removing quotes may allow a broader search: (( programming software design methodology. ) or ( process control statistical methods. ))~.
• Adding a wildcard symbol may retrieve word variants: (("programming software design methodology.") or ("process control statistical methods."))*.