Perhaps you should try some spelling variations:
"process control service methodology." » "process control science methodology.", "process control sciences methodology.", "process control devices methodology.", "procesos control service methodology.", "procesal control service methodology."
"proceso control linguistics methodology." » "proceso contact linguistics methodology.", "proceso contextos linguisticos methodology.", "proceso contacto linguistico methodology.", "proceso contra linguistics methodology.", "proceso contralos linguistics methodology.", "proces contre linguistics methodology."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("process control service methodology.") or ("proceso control linguistics methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("process control service methodology.") OR ("proceso control linguistics methodology.")).
• Removing quotes may allow a broader search: (( process control service methodology. ) or ( proceso control linguistics methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("process control service methodology.") or ("proceso control linguistics methodology."))*.