Talvez deva tentar algumas variações de ortografia:
century nerve » century reserve (Expandir a Pesquisa), century survey (Expandir a Pesquisa), century energy (Expandir a Pesquisa)
deltas served » adults served (Expandir a Pesquisa), delta survey (Expandir a Pesquisa)
threat nerve » treat nerve (Expandir a Pesquisa), threat never (Expandir a Pesquisa), three nerve (Expandir a Pesquisa)
served case » observed case (Expandir a Pesquisa), saved case (Expandir a Pesquisa), observed cases (Expandir a Pesquisa)
nerve eat » nerve seath (Expandir a Pesquisa), nerve exam (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j threat » a threat (Expandir a Pesquisa), 19 threat (Expandir a Pesquisa), 28 threat (Expandir a Pesquisa)
eat diet » meat diet (Expandir a Pesquisa), fat diet (Expandir a Pesquisa), wheat diet (Expandir a Pesquisa)
j deltas » _ deltas (Expandir a Pesquisa), j delta (Expandir a Pesquisa), j delmas (Expandir a Pesquisa)
case di » case dti (Expandir a Pesquisa), case d (Expandir a Pesquisa), case de (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 eat diet ) or ( a century nerve cat due ))) or ( j deltas served case di ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j threat nerve eat diet ) OR ( a century nerve cat due ))) OR ( j deltas served case di )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j threat nerve eat diet ) or ( a century nerve cat due ))) or ( j deltas served case di ))*.