Talvez deva tentar algumas variações de ortografia:
studies computer » students computer (Expandir a Pesquisa), studies completed (Expandir a Pesquisa), studies computing (Expandir a Pesquisa)
natl computers » small computers (Expandir a Pesquisa), panel computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
cat compared » cast compared (Expandir a Pesquisa), cats compared (Expandir a Pesquisa), ct compared (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
j studies » 1 studies (Expandir a Pesquisa), 3 studies (Expandir a Pesquisa), 4 studies (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j cat » _ cat (Expandir a Pesquisa), a cat (Expandir a Pesquisa), j cao (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 natl computers can now ) or ( j studies computer a new ))) or ( j cat compared a new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl computers can now ) OR ( j studies computer a new ))) OR ( j cat compared a new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl computers can now ) or ( j studies computer a new ))) or ( j cat compared a new ))*.