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 than » computer texas (Expandir a Pesquisa), computer three (Expandir a Pesquisa), computer time (Expandir a Pesquisa)
acm computer » a computer (Expandir a Pesquisa), um computer (Expandir a Pesquisa), uym computer (Expandir a Pesquisa)
nat compared » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa)
compared jaw » compared law (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
j calls » j calle (Expandir a Pesquisa), j calis (Expandir a Pesquisa), j call (Expandir a Pesquisa)
jaw new » law new (Expandir a Pesquisa)
j acm » _ acm (Expandir a Pesquisa), j aim (Expandir a Pesquisa), j alm (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j calls computer than non ) OR ( j acm computer a new ))) OR ( e nat compared jaw new ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j calls computer than non ) or ( j acm computer a new ))) or ( e nat compared jaw new ))*.