Perhaps you should try some spelling variations:
"problemas aspectos linguisticos methodology." » "problemas aspectos linguistics methodology.", "problemas aspectos linguistica metodologia.", "problemas aspectos statistics methodology.", "problemas estudios linguisticos methodology.", "problemas aspectos bioquimicos methodology.", "problemas abiertos linguisticos methodology.", "problemas resueltos linguisticos methodology.", "problemas basicos linguisticos methodology."
"process control values methodology." » "process control based methodology.", "process control policies methodology.", "process control andes methodology.", "process control cafes methodology."

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

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