Talvez deva tentar algumas variações de ortografia:
recurrent grade » recurrent giant (Expandir a Pesquisa), recurrent gene (Expandir a Pesquisa), recurrent gain (Expandir a Pesquisa)
central neural » central nepal (Expandir a Pesquisa), central neurons (Expandir a Pesquisa)
j recurrent » _ recurrent (Expandir a Pesquisa), a recurrent (Expandir a Pesquisa), 1 recurrent (Expandir a Pesquisa)
neural rest » neural crest (Expandir a Pesquisa), neural cest (Expandir a Pesquisa), neural forest (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
grade cat » grade can (Expandir a Pesquisa), grade case (Expandir a Pesquisa), grade clay (Expandir a Pesquisa)
case disc » cause disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case dose (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
rest due » test due (Expandir a Pesquisa), arrest due (Expandir a Pesquisa), result due (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (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 recurrent grade cat dis ) or ( i cent nerve case disc ))) or ( j central neural rest due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j recurrent grade cat dis ) OR ( i cent nerve case disc ))) OR ( j central neural rest due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j recurrent grade cat dis ) or ( i cent nerve case disc ))) or ( j central neural rest due ))*.