Perhaps you should try some spelling variations:
def » defi
deaf » leaf, deal, dean
lepinard » leonard, lepard, lenard
lennard » leonard, lennart
leonhard » leonard, bernhard, reinhard
peppard » peppered
sheppard » shepherd

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (def OR deaf) (((lepinard OR lennard) OR leonhard ) OR (peppard OR sheppard )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(def or deaf) (((lepinard OR lennard) or leonhard ) or (peppard or sheppard ))".
• Adding a wildcard symbol may retrieve word variants: (def or deaf) (((lepinard OR lennard) or leonhard ) or (peppard or sheppard ))*.