Talvez deva tentar algumas variações de ortografia:
letters nervous » letter nervous (Expandir a Pesquisa), letters ferrous (Expandir a Pesquisa), center nervous (Expandir a Pesquisa)
detect nerve » direct nerve (Expandir a Pesquisa), detect neural (Expandir a Pesquisa), detect novel (Expandir a Pesquisa)
bj letters » jbo letters (Expandir a Pesquisa), ajph letters (Expandir a Pesquisa)
nervous 5 » nervous _ (Expandir a Pesquisa)
beni nevi » beni nei (Expandir a Pesquisa), benign nevi (Expandir a Pesquisa)
nevi case » nevus case (Expandir a Pesquisa), vi case (Expandir a Pesquisa), cvi case (Expandir a Pesquisa)
2 detect » 2 detects (Expandir a Pesquisa), e2 detect (Expandir a Pesquisa), 2 defect (Expandir a Pesquisa)
case dti » case data (Expandir a Pesquisa), based dti (Expandir a Pesquisa), case due (Expandir a Pesquisa)
i beni » dei beni (Expandir a Pesquisa)
5 dis » 5 disc (Expandir a Pesquisa), 5 dias (Expandir a Pesquisa), _ dis (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: (( bj letters nervous 5 dis ) or ((( 2 detect nerve case _ ) or ( i beni nevi case dti ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( bj letters nervous 5 dis ) OR ((( 2 detect nerve case _ ) OR ( i beni nevi case dti ))))*.