Perhaps you should try some spelling variations:
"drogas consumo racional methodology." » "drogas consumo science methodology.", "drogas consejo nacional methodology.", "drogas consenso nacional methodology.", "drogas consumo racionalizado methodology."
"process control linguistics methodology." » "process contact linguistics methodology.", "process contextos linguisticos methodology.", "process contacto linguistico methodology.", "procesos control linguistics methodology.", "proceso control linguistics methodology.", "procesal control 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 linguistics methodology.") or ("drogas consumo racional methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("process control linguistics methodology.") OR ("drogas consumo racional methodology.")).
• Removing quotes may allow a broader search: (( process control linguistics methodology. ) or ( drogas consumo racional methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("process control linguistics methodology.") or ("drogas consumo racional methodology."))*.