Talvez deva tentar algumas variações de ortografia:
nagel comparing » age comparing (Expandir a Pesquisa), ages comparing (Expandir a Pesquisa), images comparing (Expandir a Pesquisa)
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparing climate (Expandir a Pesquisa)
age computers » age computer (Expandir a Pesquisa), large computers (Expandir a Pesquisa), use computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
neil computer » il computer (Expandir a Pesquisa), serial computer (Expandir a Pesquisa), novel computer (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j nagel » e nagel (Expandir a Pesquisa), c nagel (Expandir a Pesquisa), l nagel (Expandir a Pesquisa)
3 neil » 3 neil3 (Expandir a Pesquisa), i neil (Expandir a Pesquisa)
j age » j ager (Expandir a Pesquisa), _ age (Expandir a Pesquisa), l age (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 age computers can now ) or ( 3 neil computer _ nowe ))) or ( j nagel comparing case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j age computers can now ) OR ( 3 neil computer _ nowe ))) OR ( j nagel comparing case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j age computers can now ) or ( 3 neil computer _ nowe ))) or ( j nagel comparing case now ))*.