Talvez deva tentar algumas variações de ortografia:
aids computers » minds computers (Expandir a Pesquisa), brains computers (Expandir a Pesquisa), radios computers (Expandir a Pesquisa)
acal compared » acl compared (Expandir a Pesquisa), faecal compared (Expandir a Pesquisa), algal compared (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
al clamp » a clamp (Expandir a Pesquisa), ap clamp (Expandir a Pesquisa), tail clamp (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a netb » _ netb (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a nets (Expandir a Pesquisa)
j aids » mj aids (Expandir a Pesquisa), _ aids (Expandir a Pesquisa), a aids (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (Expandir a Pesquisa)
j al » j a (Expandir a Pesquisa), j l (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: (((( _ acal compared a neto ) or ( j al clamp a netb ))) or ( j aids computers a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ acal compared a neto ) OR ( j al clamp a netb ))) OR ( j aids computers a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ acal compared a neto ) or ( j al clamp a netb ))) or ( j aids computers a now ))*.