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

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 ((("opena name") OR ("oopena same"))))) OR ((((("penna nace") OR ("peonna nace"))) OR ("openna nace"))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"pen name\") OR (((((\"pena name\") OR (((\"opena name\") OR (\"oopena same\"))))) OR (((((\"penna nace\") OR (\"peonna nace\"))) OR (\"openna nace\"))))))*".
• Removing quotes may allow a broader search: (( pen name ) OR ((((( pena name ) OR ((( opena name ) OR ( oopena same ))))) OR ((((( penna nace ) OR ( peonna nace ))) OR ( openna nace ))))))*.