Perhaps you should try some spelling variations:
"pen name" » "open name", "peon name", "penn name", "pen same", "pen nace", "pen dame"
"pena name" » "opena name", "peona name", "penna name", "pena same", "pena nace", "pena dame"
"penna name" » "openna name", "peonna name", "pennna name", "penna same", "penna nace", "penna dame"
"openna name" » "oopenna name", "opeonna name", "opennna name", "openna same", "openna nace", "openna dame"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("pen name") OR ((("pena name") OR ((("penna name") OR ("openna name"))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"pen name\") OR (((\"pena name\") OR (((\"penna name\") OR (\"openna name\"))))))".
• Removing quotes may allow a broader search: (( pen name ) OR ((( pena name ) OR ((( penna name ) OR ( openna name )))))).
• Adding a wildcard symbol may retrieve word variants: (("pen name") OR ((("pena name") OR ((("penna name") OR ("openna name"))))))*.