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