Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
direct energy » directed energy (Expandir a Pesquisa)
energy cyst » energy chest (Expandir a Pesquisa), energy case (Expandir a Pesquisa), energy crystal (Expandir a Pesquisa)
treat nerve » rat nerve (Expandir a Pesquisa), treat service (Expandir a Pesquisa), direct nerve (Expandir a Pesquisa)
nerve cyst » nerve cystic (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
j direct » j director (Expandir a Pesquisa), nhj direct (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case did (Expandir a Pesquisa), case di (Expandir a Pesquisa)
a treat » a treated (Expandir a Pesquisa)
cyst d » cyst _ (Expandir a Pesquisa), cyst a (Expandir a Pesquisa), cyst 2 (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 direct energy cyst d ) or ( a treat nerve cyst d ))) or ( j central nerve case dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j direct energy cyst d ) OR ( a treat nerve cyst d ))) OR ( j central nerve case dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j direct energy cyst d ) or ( a treat nerve cyst d ))) or ( j central nerve case dis ))*.