Talvez deva tentar algumas variações de ortografia:
early computed » energy computed (Expandir a Pesquisa), ray computed (Expandir a Pesquisa)
level compared » levels compared (Expandir a Pesquisa), model compared (Expandir a Pesquisa), level comparison (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
computed laws » computer law (Expandir a Pesquisa), compiled laws (Expandir a Pesquisa), computed atlas (Expandir a Pesquisa)
acm computer » a computer (Expandir a Pesquisa), um computer (Expandir a Pesquisa), uym computer (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared can (Expandir a Pesquisa), compared _ (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
a early » a earley (Expandir a Pesquisa), a earl (Expandir a Pesquisa), via early (Expandir a Pesquisa)
i acm » _ acm (Expandir a Pesquisa), i act (Expandir a Pesquisa), i ace (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: (( i acm computer case new ) or ((( _ level compared law non ) or ( a early computed laws _ ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i acm computer case new ) OR ((( _ level compared law non ) OR ( a early computed laws _ )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i acm computer case new ) or ((( _ level compared law non ) or ( a early computed laws _ ))))*.