Talvez deva tentar algumas variações de ortografia:
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
aix computers » aix computer (Expandir a Pesquisa), aids computers (Expandir a Pesquisa), a computers (Expandir a Pesquisa)
nacl comp » nacl co2 (Expandir a Pesquisa), nacl complex (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
nacl co » nacl co2 (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa)
con now » con noe (Expandir a Pesquisa), con non (Expandir a Pesquisa), con note (Expandir a Pesquisa)
a nacl » _ nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
co con » co co2 (Expandir a Pesquisa), co com (Expandir a Pesquisa), co coo (Expandir a Pesquisa)
d aix » _ aix (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: (((( m nacl comp can now ) OR ( a nacl co con now ))) OR ( d aix computers can now ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( m nacl comp can now ) OR ( a nacl co con now ))) OR ( d aix computers can now ))*".