Talvez deva tentar algumas variações de ortografia:
held computers » held computer (Expandir a Pesquisa), handheld computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
4 computers » _ computers (Expandir a Pesquisa), how computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa)
a computers » a computer's (Expandir a Pesquisa), a computer (Expandir a Pesquisa), _ computers (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can near (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j held » j head (Expandir a Pesquisa)
j 4 » j 64 (Expandir a Pesquisa), j 24 (Expandir a Pesquisa), j 14 (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 held computers can newts ) or ( j 4 computers can netw ))) or ( 1 a computers can now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j held computers can newts ) OR ( j 4 computers can netw ))) OR ( 1 a computers can now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j held computers can newts ) or ( j 4 computers can netw ))) or ( 1 a computers can now ))*.