Talvez deva tentar algumas variações de ortografia:
cancer surveys » cancer survey (Expandir a Pesquisa), cancer surgery (Expandir a Pesquisa), cancer survivors (Expandir a Pesquisa)
femoral nerve » femoral neck (Expandir a Pesquisa)
surveys cyst » surveys cast (Expandir a Pesquisa), surveys case (Expandir a Pesquisa), surveys cross (Expandir a Pesquisa)
benesi nerve » benign nerve (Expandir a Pesquisa), bent nerve (Expandir a Pesquisa)
nerve cyst » nerve cystic (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa)
i femoral » ii femoral (Expandir a Pesquisa), bi femoral (Expandir a Pesquisa), _ femoral (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa), cyst dna (Expandir a Pesquisa)
cat dcs » can dcs (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( 1 cancer surveys cyst dis ) OR ( i femoral nerve cat dcs ))) OR ( j benesi nerve cyst dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 1 cancer surveys cyst dis ) or ( i femoral nerve cat dcs ))) or ( j benesi nerve cyst dis ))*.