Talvez deva tentar algumas variações de ortografia:
cancer needle » cancer need (Expandir a Pesquisa), cancer needs (Expandir a Pesquisa), laser needle (Expandir a Pesquisa)
femoral nerve » femoral neck (Expandir a Pesquisa)
needle cyst » needle cast (Expandir a Pesquisa), needle case (Expandir a Pesquisa), needle crs (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
nerve cyst » nerve cystic (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
i femoral » ii femoral (Expandir a Pesquisa), iv femoral (Expandir a Pesquisa), _ femoral (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
can tdcs » a tdcs (Expandir a Pesquisa)
cyst d » cyst _ (Expandir a Pesquisa), cyst a (Expandir a Pesquisa), cyst e (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (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": "(((( _ cancer needle cyst d ) OR ( i femoral nerve can tdcs ))) OR ( j bent nerve cyst d ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ cancer needle cyst d ) OR ( i femoral nerve can tdcs ))) OR ( j bent nerve cyst d ))*.