Talvez deva tentar algumas variações de ortografia:
benito nerve » benign nerve (Expandir a Pesquisa), benito narvaez (Expandir a Pesquisa), benito eva (Expandir a Pesquisa)
cancer nurse » cancer nurses (Expandir a Pesquisa), cancer course (Expandir a Pesquisa), cancer nude (Expandir a Pesquisa)
nurse cat » nurse can (Expandir a Pesquisa), nurse ca (Expandir a Pesquisa), nurse cadet (Expandir a Pesquisa)
i ventral » a ventral (Expandir a Pesquisa), 2 ventral (Expandir a Pesquisa), i ventura (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), j candel (Expandir a Pesquisa)
mesh can » mesh scans (Expandir a Pesquisa), mesh cage (Expandir a Pesquisa), mesh a (Expandir a Pesquisa)
j benito » de benito (Expandir a Pesquisa), j benitez (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (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 cancer nurse cat dis ) OR ( i ventral mesh can dcs ))) OR ( j benito nerve cat dis ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer nurse cat dis ) OR ( i ventral mesh can dcs ))) OR ( j benito nerve cat dis ))*.