Perhaps you should try some spelling variations:
"process control estadistica methods." » "process control estadistico methods.", "process control statistical methods.", "process economia estadistica methods.", "process control estadisticas metodos.", "process control estadisticas medicas."
"proceso contra linguistics methodology." » "proceso contact linguistics methodology.", "proceso corpora linguistics methodology.", "proceso cultura linguistica methodology."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("proceso contra linguistics methodology.") OR ("process control estadistica methods."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"proceso contra linguistics methodology.\") OR (\"process control estadistica methods.\"))".
• Removing quotes may allow a broader search: (( proceso contra linguistics methodology. ) OR ( process control estadistica methods. )).
• Adding a wildcard symbol may retrieve word variants: (("proceso contra linguistics methodology.") OR ("process control estadistica methods."))*.