Talvez deva tentar algumas variações de ortografia:
threats nerve » threats energy (Expandir a Pesquisa), rats nerve (Expandir a Pesquisa), threats new (Expandir a Pesquisa)
absent native » present native (Expandir a Pesquisa), absent nails (Expandir a Pesquisa), absent nerve (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
38 threats » _ threats (Expandir a Pesquisa), eu threats (Expandir a Pesquisa), i threats (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), base does (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
ca dis » la dis (Expandir a Pesquisa), da dis (Expandir a Pesquisa)
a dos » e dos (Expandir a Pesquisa), a dog (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: (( 38 threats nerve a dos ) or ((( j mental nerve case does ) or ( j absent native ca dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 38 threats nerve a dos ) OR ((( j mental nerve case does ) OR ( j absent native ca dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 38 threats nerve a dos ) or ((( j mental nerve case does ) or ( j absent native ca dis ))))*.