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