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 contralos linguistics methodology.", "proces contre linguistics methodology."
"proceso contra statistical methods." » "proceso control statistical methods.", "process control statistical 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 contra statistical methods."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proceso control linguistics methodology.") OR ("proceso contra statistical methods."))*.
• Removing quotes may allow a broader search: (( proceso control linguistics methodology. ) or ( proceso contra statistical methods. ))*.