Talvez deva tentar algumas variações de ortografia:
reserve system » research system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
cell reserve » cells preserve (Expandir a Pesquisa), cells preserves (Expandir a Pesquisa), cell reservoir (Expandir a Pesquisa)
cent reserve » debt reserve (Expandir a Pesquisa), men reserve (Expandir a Pesquisa), current reserve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
benet nerve » bent nerve (Expandir a Pesquisa), detect nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
j benet » j bennett (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benesi (Expandir a Pesquisa)
j cent » a cent (Expandir a Pesquisa), i cent (Expandir a Pesquisa), j center (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: (((( i cell reserve system der ) or ( j cent reserve system di ))) or ( j benet nerve system dcs ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i cell reserve system der ) OR ( j cent reserve system di ))) OR ( j benet nerve system dcs )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i cell reserve system der ) or ( j cent reserve system di ))) or ( j benet nerve system dcs ))*.