Perhaps you should try some spelling variations:
"programming software sciences methodology." » "programming software science methodology.", "programming software sciences meteorology.", "programming software science ethnology."
"process control statistics methods." » "process control statistical methods.", "process control estadistico methods.", "process control estadistica methods.", "process control statistics methodology."

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 sciences methodology.") OR ("process control statistics methods."))~.
• Removing quotes may allow a broader search: (( programming software sciences methodology. ) or ( process control statistics methods. ))~.
• Adding a wildcard symbol may retrieve word variants: (("programming software sciences methodology.") or ("process control statistics methods."))*.