Perhaps you should try some spelling variations:
"process control linguistics methodology." » "process contact linguistics methodology.", "process contextos linguisticos methodology.", "process contacto linguistico methodology.", "proceso control linguistics methodology.", "procesal control linguistics methodology."
"procesos sciences statistical methods." » "procesos ciencias statistical methods.", "procesos sociales statistical methods.", "procesos civiles statistical methods.", "procesos sciences statistics methods.", "procesos sciences estadisticas methods."

Try widening your search to All Fields.

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 linguistics methodology.") or ("procesos sciences statistical methods."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("process control linguistics methodology.") OR ("procesos sciences statistical methods.")).
• Removing quotes may allow a broader search: (( process control linguistics methodology. ) or ( procesos sciences statistical methods. )).
• Adding a wildcard symbol may retrieve word variants: (("process control linguistics methodology.") or ("procesos sciences statistical methods."))*.