Talvez deva tentar algumas variações de ortografia:
survey system » surgery system (Expandir a Pesquisa), prey system (Expandir a Pesquisa), grey system (Expandir a Pesquisa)
survey case » surveys case (Expandir a Pesquisa), survey casi (Expandir a Pesquisa), survey caused (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
bena nerve » beta nerve (Expandir a Pesquisa), bent nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
j current » j currently (Expandir a Pesquisa), j curran (Expandir a Pesquisa), j currell (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), case goes (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
j bena » j bela (Expandir a Pesquisa), j bent (Expandir a Pesquisa), j benham (Expandir a Pesquisa)
a dis » a dos (Expandir a Pesquisa), a des (Expandir a Pesquisa), a dia (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: (((( j current survey case does ) or ( j current survey system dis ))) or ( j bena nerve a dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j current survey case does ) OR ( j current survey system dis ))) OR ( j bena nerve a dis ))*.