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)
cantero nerve » cancer nerve (Expandir a Pesquisa), anterior nerve (Expandir a Pesquisa), after nerve (Expandir a Pesquisa)
nerve cnan » nerve can (Expandir a Pesquisa), nerve canal (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
cnan dis » van dis (Expandir a Pesquisa), nan di (Expandir a Pesquisa), dan dis (Expandir a Pesquisa)
nerve cn » nerve can (Expandir a Pesquisa), nerve c (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mehta (Expandir a Pesquisa), j mena (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa)
cn dis » en dis (Expandir a Pesquisa), nn dis (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cantero nerve cnan dis ) OR ( i cent nerve cn dis ))) OR ( j mental reserve system dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cantero nerve cnan dis ) or ( i cent nerve cn dis ))) or ( j mental reserve system dis ))*.