Talvez deva tentar algumas variações de ortografia:
reserve system » research system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
cancer nerve » cancer serves (Expandir a Pesquisa), cancer nurse (Expandir a Pesquisa), cancer nurses (Expandir a Pesquisa)
system das » system dias (Expandir a Pesquisa), systems das (Expandir a Pesquisa), system des (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), j cancela (Expandir a Pesquisa)
nerve cn » nerve can (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve _ (Expandir a Pesquisa)
i mental » vi mental (Expandir a Pesquisa), ii mental (Expandir a Pesquisa), i metal (Expandir a Pesquisa)
nerve c » nerve _ (Expandir a Pesquisa), nerve a (Expandir a Pesquisa), nerve can (Expandir a Pesquisa)
cn dis » en dis (Expandir a Pesquisa), nn dis (Expandir a Pesquisa)
c dis » c dias (Expandir a Pesquisa), c disc (Expandir a Pesquisa), c dos (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 cancer nerve cn dis ) or ( i mental nerve c dis ))) or ( a mehta reserve system das ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cancer nerve cn dis ) OR ( i mental nerve c dis ))) OR ( a mehta reserve system das )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer nerve cn dis ) or ( i mental nerve c dis ))) or ( a mehta reserve system das ))*.