Talvez deva tentar algumas variações de ortografia:
nerves based » nerve based (Expandir a Pesquisa), curves based (Expandir a Pesquisa)
center nerve » cancer nerve (Expandir a Pesquisa), center nurse (Expandir a Pesquisa), letter nerve (Expandir a Pesquisa)
benign nerve » benign nevi (Expandir a Pesquisa), benign neck (Expandir a Pesquisa), benign beale (Expandir a Pesquisa)
both nerves » both nerve (Expandir a Pesquisa), other nerves (Expandir a Pesquisa), both neurons (Expandir a Pesquisa)
nerve cause » nerve caused (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve course (Expandir a Pesquisa)
based dti » based data (Expandir a Pesquisa), based de (Expandir a Pesquisa), based d (Expandir a Pesquisa)
j center » j centner (Expandir a Pesquisa), j centeno (Expandir a Pesquisa), j cestero (Expandir a Pesquisa)
cause de » cause _ (Expandir a Pesquisa), cause a (Expandir a Pesquisa)
j both » j botha (Expandir a Pesquisa), j booth (Expandir a Pesquisa), j bott (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j center nerve _ dis ) OR ((( j both nerves based dti ) OR ( _ benign nerve cause de ))))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j center nerve _ dis ) or ((( j both nerves based dti ) or ( _ benign nerve cause de ))))*.