Perhaps you should try some spelling variations:
"proceso control linguistics methodology." » "proceso contact linguistics methodology.", "proceso contextos linguisticos methodology.", "proceso contacto linguistico methodology.", "process control linguistics methodology.", "proceso contra linguistics methodology.", "proceso contralos linguistics methodology."
"proceso control statistical methods." » "process control statistical methods.", "proceso contra statistical methods.", "proceso contralos statistical methods.", "proceso control statistics 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: (("proceso control linguistics methodology.") or ("proceso control statistical methods."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proceso control linguistics methodology.") OR ("proceso control statistical methods.")).
• Removing quotes may allow a broader search: (( proceso control linguistics methodology. ) or ( proceso control statistical methods. )).
• Adding a wildcard symbol may retrieve word variants: (("proceso control linguistics methodology.") or ("proceso control statistical methods."))*.