Talvez deva tentar algumas variações de ortografia:
held computers » held computer (Expandir a Pesquisa), handheld computers (Expandir a Pesquisa)
nacl computer » dal computer (Expandir a Pesquisa), al computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa)
nayl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), al compared (Expandir a Pesquisa)
compared case » compared cases (Expandir a Pesquisa), compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
computer ii » computers ii (Expandir a Pesquisa), computer im (Expandir a Pesquisa), computer i (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)
ii notes » i notes (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
j held » j head (Expandir a Pesquisa)
j nayl » a nayl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nay (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 a new ) or ( 0.9 nacl computer ii notes ))) or ( j nayl compared case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j held computers a new ) OR ( 0.9 nacl computer ii notes ))) OR ( j nayl compared case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j held computers a new ) or ( 0.9 nacl computer ii notes ))) or ( j nayl compared case now ))*.