Talvez deva tentar algumas variações de ortografia:
threat service » treat service (Expandir a Pesquisa), three service (Expandir a Pesquisa), treat services (Expandir a Pesquisa)
service curve » service survey (Expandir a Pesquisa), service care (Expandir a Pesquisa), service surveys (Expandir a Pesquisa)
augment nerve » segment nerve (Expandir a Pesquisa), augment gene (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
17 augment » 17 augments (Expandir a Pesquisa), 1 augment (Expandir a Pesquisa), 12 augment (Expandir a Pesquisa)
curve dis » curve di (Expandir a Pesquisa), curve does (Expandir a Pesquisa), curve bias (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
j threat » _ threat (Expandir a Pesquisa), a threat (Expandir a Pesquisa), 2 threat (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 service curve dis ) or ( 17 augment nerve system di ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j threat service curve dis ) OR ( 17 augment nerve system di ))*.