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)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), can nerve (Expandir a Pesquisa)
system das » system dias (Expandir a Pesquisa), systems das (Expandir a Pesquisa), system des (Expandir a Pesquisa)
nerve aat » nerve cat (Expandir a Pesquisa), nerve can (Expandir a Pesquisa), nerve aen (Expandir a Pesquisa)
j mental » j mehta (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mentz (Expandir a Pesquisa)
aat die » laat die (Expandir a Pesquisa), wat die (Expandir a Pesquisa), art die (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
j cent » a cent (Expandir a Pesquisa), j center (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa)
a dis » a disc (Expandir a Pesquisa), a dos (Expandir a Pesquisa), a des (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 cent nerve aat die ) or ( i cent nerve a dis ))) or ( j mental reserve system das ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cent nerve aat die ) OR ( i cent nerve a dis ))) OR ( j mental reserve system das )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cent nerve aat die ) or ( i cent nerve a dis ))) or ( j mental reserve system das ))*.