Talvez deva tentar algumas variações de ortografia:
ventura nerve » ventral nerve (Expandir a Pesquisa), ventura nieves (Expandir a Pesquisa), ventura cerda (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)
nerve cnat » nerve cat (Expandir a Pesquisa), nerve canal (Expandir a Pesquisa), nerve can (Expandir a Pesquisa)
a ventura » a venturi (Expandir a Pesquisa)
de benign » de benigna (Expandir a Pesquisa), de benigno (Expandir a Pesquisa), de benin (Expandir a Pesquisa)
j center » j centner (Expandir a Pesquisa), j centeno (Expandir a Pesquisa), j cestero (Expandir a Pesquisa)
nerve cn » nerve can (Expandir a Pesquisa), nerve c (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
cn dcs » can dcs (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 center nerve cnat dis ) OR ( a ventura nerve cn dcs ))) OR ( de benign nerve cnat dis ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j center nerve cnat dis ) OR ( a ventura nerve cn dcs ))) OR ( de benign nerve cnat dis ))*".