Perhaps you should try some spelling variations:
def » defi
deaf » dean, dead, dear
deal » del
leppard » leopard, lepard, lippard
peppered » pepper, tempered
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 OR deal) OR leaf)) (leppard OR ((peppard OR peppered) OR sheppard )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(def or ((deaf or deal) or leaf)) (leppard or ((peppard OR peppered) or sheppard ))".
• Adding a wildcard symbol may retrieve word variants: (def or ((deaf or deal) or leaf)) (leppard or ((peppard OR peppered) or sheppard ))*.