Talvez deva tentar algumas variações de ortografia:
recurrent nerve » recurrent neural (Expandir a Pesquisa)
really deliver » reality delivery (Expandir a Pesquisa), locally deliver (Expandir a Pesquisa), early delivery (Expandir a Pesquisa)
benign nerve » benign nevi (Expandir a Pesquisa), benign neck (Expandir a Pesquisa), benign beale (Expandir a Pesquisa)
j recurrent » ii recurrent (Expandir a Pesquisa), iv recurrent (Expandir a Pesquisa), its recurrent (Expandir a Pesquisa)
deliver can » delivery can (Expandir a Pesquisa), deliver ca (Expandir a Pesquisa), deliver care (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), i benign (Expandir a Pesquisa), ii benign (Expandir a Pesquisa)
can da » can dan (Expandir a Pesquisa), can de (Expandir a Pesquisa), can data (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 recurrent nerve cyst due ) OR ( i really deliver can da ))) OR ( j benign nerve cyst due ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j recurrent nerve cyst due ) OR ( i really deliver can da ))) OR ( j benign nerve cyst due ))*.