Talvez deva tentar algumas variações de ortografia:
recurrent gram » recurrent gorham (Expandir a Pesquisa), recurrent grade (Expandir a Pesquisa), recurrent frame (Expandir a Pesquisa)
i recurrent » ii recurrent (Expandir a Pesquisa), a recurrent (Expandir a Pesquisa), 1 recurrent (Expandir a Pesquisa)
gram system » gray system (Expandir a Pesquisa), graft system (Expandir a Pesquisa), grade system (Expandir a Pesquisa)
cent serve » best serve (Expandir a Pesquisa), pet serve (Expandir a Pesquisa), client server (Expandir a Pesquisa)
bela serve » rela serves (Expandir a Pesquisa), la serve (Expandir a Pesquisa)
serve case » nerve case (Expandir a Pesquisa), service case (Expandir a Pesquisa), nerve cases (Expandir a Pesquisa)
serve can » nerve can (Expandir a Pesquisa), merve can (Expandir a Pesquisa), service can (Expandir a Pesquisa)
can diets » cane diets (Expandir a Pesquisa), can diet (Expandir a Pesquisa), corn diets (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa)
j bela » j bell (Expandir a Pesquisa), j belval (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( i cent serve can diets ) or ( i recurrent gram system di ))) or ( j bela serve case dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i cent serve can diets ) OR ( i recurrent gram system di ))) OR ( j bela serve case dis ))*.