Talvez deva tentar algumas variações de ortografia:
recurrent graves » recurrent grade (Expandir a Pesquisa), recurrent growths (Expandir a Pesquisa), recurrent giant (Expandir a Pesquisa)
graves system » graben system (Expandir a Pesquisa), grass system (Expandir a Pesquisa), drives system (Expandir a Pesquisa)
2 recurrent » a recurrent (Expandir a Pesquisa), 1 recurrent (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), case goes (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
j beta » j beth (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (Expandir a Pesquisa)
a des » a dos (Expandir a Pesquisa), a del (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: (( 2 recurrent graves system dis ) or ((( j beta nerve a des ) or ( j bent nerve case does ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 recurrent graves system dis ) OR ((( j beta nerve a des ) OR ( j bent nerve case does )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 recurrent graves system dis ) or ((( j beta nerve a des ) or ( j bent nerve case does ))))*.