Talvez deva tentar algumas variações de ortografia:
reserve system » research system (Expandir a Pesquisa), nerve system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
cancer nurses » cancer nursing (Expandir a Pesquisa)
dental serve » dental nerve (Expandir a Pesquisa), dental service (Expandir a Pesquisa), dental survey (Expandir a Pesquisa)
nurses can » nurses a (Expandir a Pesquisa), nurses caring (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 candel (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can die (Expandir a Pesquisa)
serve c » serve _ (Expandir a Pesquisa), serve a (Expandir a Pesquisa), serve w (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 nurses can dis ) or ( i dental serve c dis ))) or ( a mehta reserve system das ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cancer nurses can dis ) OR ( i dental serve c dis ))) OR ( a mehta reserve system das )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer nurses can dis ) or ( i dental serve c dis ))) or ( a mehta reserve system das ))*.