Talvez deva tentar algumas variações de ortografia:
threat never » threat levers (Expandir a Pesquisa), threat severe (Expandir a Pesquisa), threat level (Expandir a Pesquisa)
absent nerve » abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa), absent native (Expandir a Pesquisa)
bent nerve » mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), case goes (Expandir a Pesquisa)
j threat » a threat (Expandir a Pesquisa), 19 threat (Expandir a Pesquisa), 28 threat (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case dose (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
never a » never _ (Expandir a Pesquisa), never had (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (Expandir a Pesquisa)
a dis » a dos (Expandir a Pesquisa), a des (Expandir a Pesquisa), a dia (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 never a dis ) or ((( j bent nerve case dis ) or ( j absent nerve case does ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j threat never a dis ) OR ((( j bent nerve case dis ) OR ( j absent nerve case does )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j threat never a dis ) or ((( j bent nerve case dis ) or ( j absent nerve case does ))))*.