Talvez deva tentar algumas variações de ortografia:
cause distal » causes distal (Expandir a Pesquisa), mouse distal (Expandir a Pesquisa), causing distal (Expandir a Pesquisa)
nerve cause » nerve caused (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve course (Expandir a Pesquisa)
benzo nerve » bent nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
nerve phase » nerve case (Expandir a Pesquisa), nerve has (Expandir a Pesquisa), nerve plane (Expandir a Pesquisa)
pain nerve » brain nerve (Expandir a Pesquisa), main nerves (Expandir a Pesquisa), skin nerve (Expandir a Pesquisa)
real nerve » renal nerve (Expandir a Pesquisa), rectal nerve (Expandir a Pesquisa), reveal nerve (Expandir a Pesquisa)
phase dose » phase diode (Expandir a Pesquisa), phase de (Expandir a Pesquisa), phase does (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (Expandir a Pesquisa)
j benzo » j bento (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benton (Expandir a Pesquisa)
j pain » j palin (Expandir a Pesquisa), j pais (Expandir a Pesquisa), j paik (Expandir a Pesquisa)
i real » i read (Expandir a Pesquisa), i really (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": "(((( j pain nerve cause distal ) OR ( i real nerve can dcs ))) OR ( j benzo nerve phase dose ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j pain nerve cause distal ) OR ( i real nerve can dcs ))) OR ( j benzo nerve phase dose ))*.