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