Talvez deva tentar algumas variações de ortografia:
reserved systems » reserve system (Expandir a Pesquisa), preserved systemic (Expandir a Pesquisa), reservoir systems (Expandir a Pesquisa)
mental reserved » metal reserves (Expandir a Pesquisa), mental retarded (Expandir a Pesquisa), central reserve (Expandir a Pesquisa)
recent nerve » prevent nerve (Expandir a Pesquisa), rodent nerve (Expandir a Pesquisa), recurrent nerve (Expandir a Pesquisa)
systems dis » systems disk (Expandir a Pesquisa), systems tdis (Expandir a Pesquisa), systems dss (Expandir a Pesquisa)
nerve cn » nerve can (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve _ (Expandir a Pesquisa)
i recent » ii recent (Expandir a Pesquisa), iii recent (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
nerve c » nerve _ (Expandir a Pesquisa), nerve a (Expandir a Pesquisa), nerve can (Expandir a Pesquisa)
cn dcs » can dcs (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.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a recent nerve cn dcs ) OR ( i recent nerve c dis ))) OR ( j mental reserved systems dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a recent nerve cn dcs ) or ( i recent nerve c dis ))) or ( j mental reserved systems dis ))*.