Talvez deva tentar algumas variações de ortografia:
central reserve » control reserve (Expandir a Pesquisa), central reservoir (Expandir a Pesquisa), central research (Expandir a Pesquisa)
reserve system » research system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
letter nerve » letter nurse (Expandir a Pesquisa), matter nerve (Expandir a Pesquisa), letter nervous (Expandir a Pesquisa)
nerve aan » nerve can (Expandir a Pesquisa), nerve aen (Expandir a Pesquisa), nerve axon (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
j letter » bj letter (Expandir a Pesquisa), cj letter (Expandir a Pesquisa), j letters (Expandir a Pesquisa)
i mental » vi mental (Expandir a Pesquisa), ii mental (Expandir a Pesquisa), i metal (Expandir a Pesquisa)
aan dis » aan die (Expandir a Pesquisa), van dis (Expandir a Pesquisa), dan dis (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
a dos » e dos (Expandir a Pesquisa), a dog (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 letter nerve aan dis ) or ( i mental nerve a dos ))) or ( j central reserve system di ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j letter nerve aan dis ) OR ( i mental nerve a dos ))) OR ( j central reserve system di )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j letter nerve aan dis ) or ( i mental nerve a dos ))) or ( j central reserve system di ))*.