Talvez deva tentar algumas variações de ortografia:
benet nerve » bent nerve (Expandir a Pesquisa), detect nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
benign nei » benign nevi (Expandir a Pesquisa), benign new (Expandir a Pesquisa), benign neck (Expandir a Pesquisa)
canal dis » canal das (Expandir a Pesquisa), canal dir (Expandir a Pesquisa), canal dos (Expandir a Pesquisa)
i ventral » _ ventral (Expandir a Pesquisa), a ventral (Expandir a Pesquisa), 2 ventral (Expandir a Pesquisa)
mesh can » mesh scans (Expandir a Pesquisa), mesh cage (Expandir a Pesquisa), mesh a (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), _ benign (Expandir a Pesquisa), a benign (Expandir a Pesquisa)
j benet » j bennett (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benesi (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can bddcs (Expandir a Pesquisa)
nei can » nei canti (Expandir a Pesquisa), nei jean (Expandir a Pesquisa), nei chen (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can die (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( j benet nerve canal dis ) OR ( i ventral mesh can dcs ))) OR ( j benign nei can dis ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j benet nerve canal dis ) OR ( i ventral mesh can dcs ))) OR ( j benign nei can dis ))*".