Talvez deva tentar algumas variações de ortografia:
benitez alvarez » benitez alvaro (Expandir a Pesquisa), mendez alvarez (Expandir a Pesquisa), menendez alvarez (Expandir a Pesquisa)
benton nerve » benign nerve (Expandir a Pesquisa), tendon nerve (Expandir a Pesquisa), bent nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dds (Expandir a Pesquisa)
castro dis » castro dias (Expandir a Pesquisa), castro dios (Expandir a Pesquisa), castro dos (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
j benitez » f benitez (Expandir a Pesquisa), a benitez (Expandir a Pesquisa)
j benton » w benton (Expandir a Pesquisa), j benito (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat bias (Expandir a Pesquisa)
a cent » a cena (Expandir a Pesquisa), a cenp (Expandir a Pesquisa), a center (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 cent nerve cat dis ) or ((( j benton nerve system dis ) or ( j benitez alvarez castro dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a cent nerve cat dis ) OR ((( j benton nerve system dis ) OR ( j benitez alvarez castro dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a cent nerve cat dis ) or ((( j benton nerve system dis ) or ( j benitez alvarez castro dis ))))*.