Perhaps you should try some spelling variations:
"modelos risk management." » "modelos tourism management.", "modelos iii management.", "modelos lin management."
"modulos tra_ management." » "modulos trade management.", "modulos areas management.", "modulos brand management."
"metodo de management." » "metodo _ management.", "metodo trade management.", "metodo time management.", "metodos de management."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("metodo de management.") or ("modelos risk management."))) or ("modulos tra_ management."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("metodo de management.") OR ("modelos risk management."))) OR ("modulos tra_ management."))*.
• Removing quotes may allow a broader search: (((( metodo de management. ) or ( modelos risk management. ))) or ( modulos tra_ management. ))*.