Talvez deva tentar algumas variações de ortografia:
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparison case (Expandir a Pesquisa)
nat computers » what computers (Expandir a Pesquisa), can computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa)
computers can » computers _ (Expandir a Pesquisa)
art comparing » rct comparing (Expandir a Pesquisa), ct comparing (Expandir a Pesquisa), fat comparing (Expandir a Pesquisa)
yl computers » _ computers (Expandir a Pesquisa), 4 computers (Expandir a Pesquisa), 3 computers (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a nat (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (Expandir a Pesquisa)
j art » j arts (Expandir a Pesquisa), j arlt (Expandir a Pesquisa), _ art (Expandir a Pesquisa)
3 yl » 2 yl (Expandir a Pesquisa), 1 yl (Expandir a Pesquisa), 4 yl (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 nat computers a now ) or ( 3 yl computers can now ))) or ( j art comparing case new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat computers a now ) OR ( 3 yl computers can now ))) OR ( j art comparing case new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat computers a now ) or ( 3 yl computers can now ))) or ( j art comparing case new ))*.