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)
narp compared » nap compared (Expandir a Pesquisa), care compared (Expandir a Pesquisa), app compared (Expandir a Pesquisa)
apl computer » maple computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j held » j head (Expandir a Pesquisa)
a nowe » a node (Expandir a Pesquisa), i nowe (Expandir a Pesquisa), ann nowe (Expandir a Pesquisa)
3 apl » m3 apl (Expandir a Pesquisa), _ apl (Expandir a Pesquisa), 3 app (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 held computers can now ) OR ( 3 apl computer a nowe ))) OR ( _ narp compared _ now ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j held computers can now ) or ( 3 apl computer a nowe ))) or ( _ narp compared _ now ))*.