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