Talvez deva tentar algumas variações de ortografia:
reserve system » research system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
center nerve » cancer nerve (Expandir a Pesquisa), center nurse (Expandir a Pesquisa), letter nerve (Expandir a Pesquisa)
benesi nerve » benign nerve (Expandir a Pesquisa), bent nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
bena reserve » renal reserve (Expandir a Pesquisa), pea reserve (Expandir a Pesquisa), bakwena reserve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dds (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
a center » a century (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat bias (Expandir a Pesquisa)
j bena » j beena (Expandir a Pesquisa), j bent (Expandir a Pesquisa), j benham (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: (( a center nerve cat dis ) or ((( j benesi nerve system dis ) or ( j bena reserve system dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a center nerve cat dis ) OR ((( j benesi nerve system dis ) OR ( j bena reserve system dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a center nerve cat dis ) or ((( j benesi nerve system dis ) or ( j bena reserve system dis ))))*.