Talvez deva tentar algumas variações de ortografia:
medical reserved » medical reserve (Expandir a Pesquisa), medical reserves (Expandir a Pesquisa), medical referees (Expandir a Pesquisa)
reserved systems » reserve system (Expandir a Pesquisa), resolved systems (Expandir a Pesquisa), observed systems (Expandir a Pesquisa)
cancer merve » cancer nerve (Expandir a Pesquisa), cancer serves (Expandir a Pesquisa), cancer merece (Expandir a Pesquisa)
cento nerve » bent nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa)
systems dis » systems disk (Expandir a Pesquisa), systems dss (Expandir a Pesquisa), systems dds (Expandir a Pesquisa)
j medical » j medina (Expandir a Pesquisa), hajj medical (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), j candel (Expandir a Pesquisa)
merve a » merve _ (Expandir a Pesquisa), merve m (Expandir a Pesquisa), merve h (Expandir a Pesquisa)
i cento » a cento (Expandir a Pesquisa), i censo (Expandir a Pesquisa), i centeno (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve co (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa)
a dis » a dos (Expandir a Pesquisa), a des (Expandir a Pesquisa), a dia (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 merve a dis ) or ( i cento nerve c dis ))) or ( j medical reserved systems dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cancer merve a dis ) OR ( i cento nerve c dis ))) OR ( j medical reserved systems dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer merve a dis ) or ( i cento nerve c dis ))) or ( j medical reserved systems dis ))*.