Perhaps you should try some spelling variations:
"metodos trade management." » "metodos sales management.", "metodos tra_ management.", "metodos tratime management.", "metodos trazone management."
"modulos risk management." » "modulos tourism management."
"metodos de management." » "metodos _ management.", "metodos time management.", "metodos zone management.", "metodo de management."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("metodos de management.") OR ("metodos trade management."))) or ("modulos risk management."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("metodos de management.") OR ("metodos trade management."))) OR ("modulos risk management.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"metodos de management.\") OR (\"metodos trade management.\"))) or (\"modulos risk management.\"))".
• Removing quotes may allow a broader search: (((( metodos de management. ) OR ( metodos trade management. ))) or ( modulos risk management. )).
• Adding a wildcard symbol may retrieve word variants: (((("metodos de management.") OR ("metodos trade management."))) or ("modulos risk management."))*.