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)
nao computer » a computer (Expandir a Pesquisa), can computer (Expandir a Pesquisa), two computer (Expandir a Pesquisa)
computer can » computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa), computer code (Expandir a Pesquisa)
compra con » compras con (Expandir a Pesquisa), compra com (Expandir a Pesquisa), compra como (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
con near » can near (Expandir a Pesquisa), ion near (Expandir a Pesquisa), born 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)
_ de » _ e (Expandir a Pesquisa), _ d (Expandir a Pesquisa), e de (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 now ) or ( e nao computer can newts ))) or ( _ de compra con near ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j held computers can now ) OR ( e nao computer can newts ))) OR ( _ de compra con near )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j held computers can now ) or ( e nao computer can newts ))) or ( _ de compra con near ))*.