Talvez deva tentar algumas variações de ortografia:
reserve system » research system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
mental reserve » central reserve (Expandir a Pesquisa), renal reserve (Expandir a Pesquisa), metal reserves (Expandir a Pesquisa)
cancer serves » cancer series (Expandir a Pesquisa), cancer services (Expandir a Pesquisa), cancer surveys (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
serves can » nerves can (Expandir a Pesquisa), series can (Expandir a Pesquisa), services can (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
j cancer » 1 cancer (Expandir a Pesquisa), j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa)
i mental » vi mental (Expandir a Pesquisa), ii mental (Expandir a Pesquisa), i metal (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mehta (Expandir a Pesquisa), j mena (Expandir a Pesquisa)
can dis » van dis (Expandir a Pesquisa), can die (Expandir a Pesquisa), can dcs (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 serves can dis ) or ( i mental nerve _ dis ))) or ( j mental reserve system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cancer serves can dis ) OR ( i mental nerve _ dis ))) OR ( j mental reserve system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer serves can dis ) or ( i mental nerve _ dis ))) or ( j mental reserve system dis ))*.