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"
"peona name" » "peona same", "peona nace", "peona dame"
"peonna name" » "peonna same", "peonna nace", "peonna dame"

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

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