Talvez deva tentar algumas variações de ortografia:
calls computer » call computer (Expandir a Pesquisa), cases computer (Expandir a Pesquisa), cells compute (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer age (Expandir a Pesquisa), computer code (Expandir a Pesquisa)
natl compare » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), rate compare (Expandir a Pesquisa)
compare a » compare _ (Expandir a Pesquisa)
cant netw » cant nell (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
com cant » com cana (Expandir a Pesquisa), com cantos (Expandir a Pesquisa), com carne (Expandir a Pesquisa)
j calls » j calle (Expandir a Pesquisa), j calis (Expandir a Pesquisa), j call (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
et com » et comb (Expandir a Pesquisa), et comp (Expandir a Pesquisa), et col (Expandir a Pesquisa)
j et » j e (Expandir a Pesquisa), j st (Expandir a Pesquisa), j ed (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 calls computer case now ) or ( j natl compare a new ))) or ( j et com cant netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j calls computer case now ) OR ( j natl compare a new ))) OR ( j et com cant netw ))*.