Talvez deva tentar algumas variações de ortografia:
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
nerve cause » nerve caused (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve course (Expandir a Pesquisa)
renal merve » renal nerve (Expandir a Pesquisa), senal merve (Expandir a Pesquisa), renal nerves (Expandir a Pesquisa)
bento nerve » bent nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
cause disc » cause di (Expandir a Pesquisa), cause distal (Expandir a Pesquisa), cause direct (Expandir a Pesquisa)
cause des » cause de (Expandir a Pesquisa), cause dna (Expandir a Pesquisa)
merve can » nerve can (Expandir a Pesquisa)
a crest » _ crest (Expandir a Pesquisa), a creusot (Expandir a Pesquisa), a crespo (Expandir a Pesquisa)
i renal » ii renal (Expandir a Pesquisa), i real (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (Expandir a Pesquisa)
j bento » j benito (Expandir a Pesquisa), j benton (Expandir a Pesquisa), j benson (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": "(((( a crest nerve cause des ) OR ( i renal merve can dcs ))) OR ( j bento nerve cause disc ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a crest nerve cause des ) OR ( i renal merve can dcs ))) OR ( j bento nerve cause disc ))*.