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)
benet nerve » bent nerve (Expandir a Pesquisa), detect nerve (Expandir a Pesquisa), absent nerve (Expandir a Pesquisa)
benzo nerve » bent nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
system das » system dias (Expandir a Pesquisa), systems das (Expandir a Pesquisa), system des (Expandir a Pesquisa)
nerve can » merve can (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cn (Expandir a Pesquisa)
can diet » can direct (Expandir a Pesquisa), than diet (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mehta (Expandir a Pesquisa), j mena (Expandir a Pesquisa)
j benet » j bennett (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benesi (Expandir a Pesquisa)
i benzo » _ benzo (Expandir a Pesquisa), a benzo (Expandir a Pesquisa), 2 benzo (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve _ (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
c disc » c disch (Expandir a Pesquisa), isc disc (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 benet nerve can diet ) or ( i benzo nerve c disc ))) or ( j mental reserve system das ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j benet nerve can diet ) OR ( i benzo nerve c disc ))) OR ( j mental reserve system das )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j benet nerve can diet ) or ( i benzo nerve c disc ))) or ( j mental reserve system das ))*.