Talvez deva tentar algumas variações de ortografia:
ventral merve » ventral nerve (Expandir a Pesquisa), ventral mesh (Expandir a Pesquisa), ventral eye (Expandir a Pesquisa)
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
i ventral » ii ventral (Expandir a Pesquisa), pig ventral (Expandir a Pesquisa), i venereal (Expandir a Pesquisa)
merve can » nerve can (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j central nerve system dis ) OR ( i ventral merve can dcs ))) OR ( j bent nerve system dis ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central nerve system dis ) OR ( i ventral merve can dcs ))) OR ( j bent nerve system dis ))*.