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