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