Perhaps you should try some spelling variations:
"programming state statistics methods." » "programming state statistics methodology.", "programming software statistics methods.", "programming systems statistics methods.", "programming spain statistics methods.", "programming health statistics methods.", "programming chile statistics methods."
"proceso control statistical methods." » "process control statistical methods.", "proceso contra statistical methods.", "proceso contralos statistical methods.", "proceso 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 state statistics methods.") OR ("proceso control statistical methods."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"programming state statistics methods.\") OR (\"proceso control statistical methods.\"))".
• Removing quotes may allow a broader search: (( programming state statistics methods. ) OR ( proceso control statistical methods. )).
• Adding a wildcard symbol may retrieve word variants: (("programming state statistics methods.") OR ("proceso control statistical methods."))*.