Talvez deva tentar algumas variações de ortografia:
benton nerve » benign nerve (Expandir a Pesquisa), tendon nerve (Expandir a Pesquisa), bent nerve (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
nerve based » nerves based (Expandir a Pesquisa), nerve caused (Expandir a Pesquisa), nerve case (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve c (Expandir a Pesquisa)
j benton » j benito (Expandir a Pesquisa)
based di » based dir (Expandir a Pesquisa), based diet (Expandir a Pesquisa), based disk (Expandir a Pesquisa)
i crest » i crestr (Expandir a Pesquisa), _ crest (Expandir a Pesquisa), a crest (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
nerve a » nerve _ (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.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( i crest nerve cat dis ) OR ( i crest nerve a dis ))) OR ( j benton nerve based di ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i crest nerve cat dis ) OR ( i crest nerve a dis ))) OR ( j benton nerve based di ))*.