Perhaps you should try some spelling variations:
"pen name" » "open name", "penh name"
"pena name" » "opena name", "penha name"
"penah name" » "openah name", "penhah name"
"penhah name" » "openhah name", "penhhah name"
"peng name" » "openg name", "penhg name"
"openg name" » "oopeng name", "openhg name"

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 ((("penah name") or ("penhah name"))))) or ((("peng name") or ("openg name"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("pen name") OR ("pena name"))) OR ((("penah name") OR ("penhah name"))))) OR ((("peng name") OR ("openg name"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"pen name\") OR (\"pena name\"))) or (((\"penah name\") or (\"penhah name\"))))) or (((\"peng name\") or (\"openg name\"))))*".
• Removing quotes may allow a broader search: (((((( pen name ) OR ( pena name ))) or ((( penah name ) or ( penhah name ))))) or ((( peng name ) or ( openg name ))))*.