Perhaps you should try some spelling variations:
"modulos production management." » "modulos project management.", "modelo productivo management."
"modelos de management." » "modelos _ management.", "modelos trade management.", "modelos time management."
"modelo de management." » "modelo _ management.", "modelo trade management.", "modelo time management."

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

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