Talvez deva tentar algumas variações de ortografia:
threat nerve » treat nerve (Expandir a Pesquisa), threat never (Expandir a Pesquisa), three nerve (Expandir a Pesquisa)
dental nerve » mental nerve (Expandir a Pesquisa), ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
j threat » _ threat (Expandir a Pesquisa), a threat (Expandir a Pesquisa), 2 threat (Expandir a Pesquisa)
d dental » 3d dental (Expandir a Pesquisa), led dental (Expandir a Pesquisa), nad dental (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa)
a did » a didi (Expandir a Pesquisa), a dia (Expandir a Pesquisa), _ did (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 threat nerve cyst due ) or ( i cent nerve a did ))) or ( d dental nerve cyst due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j threat nerve cyst due ) OR ( i cent nerve a did ))) OR ( d dental nerve cyst due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j threat nerve cyst due ) or ( i cent nerve a did ))) or ( d dental nerve cyst due ))*.