Talvez deva tentar algumas variações de ortografia:
current surveys » current survey (Expandir a Pesquisa)
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
surveys cat » surveys can (Expandir a Pesquisa), surveys data (Expandir a Pesquisa), surveys part (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
nerve cyst » nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
j current » 1 current (Expandir a Pesquisa), j currently (Expandir a Pesquisa), 19 current (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
cat dis » cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), i cena (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 current surveys cat dis ) or ( i cent nerve case dis ))) or ( j central nerve cyst due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j current surveys cat dis ) OR ( i cent nerve case dis ))) OR ( j central nerve cyst due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j current surveys cat dis ) or ( i cent nerve case dis ))) or ( j central nerve cyst due ))*.