Perhaps you should try some spelling variations:
"macias contexto linguistico methodology." » "macias contexto linguistics methodology.", "macias contexto linguistica metodologia.", "macias contextos linguisticos methodology.", "macias contacto linguistico methodology.", "macias conflicto linguistico methodology.", "nacional contexto linguistico methodology."
"process control sciences methodology." » "process control science methodology.", "process control sciences meteorology.", "process control science ethnology.", "process control civiles methodology.", "process control nociones methodology."

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

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