Talvez deva tentar algumas variações de ortografia:
nacl computer » dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), al computer (Expandir a Pesquisa)
call computer » small computer (Expandir a Pesquisa), scale computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer crime (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer a (Expandir a Pesquisa), computer code (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), c clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a newts » _ newts (Expandir a Pesquisa), a news (Expandir a Pesquisa), a newt (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), a nacl (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( _ call computer can near ) OR ( j a clamp a newts ))) OR ( 3 nacl computer case now ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ call computer can near ) OR ( j a clamp a newts ))) OR ( 3 nacl computer case now ))*.