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)
chimp can » chip can (Expandir a Pesquisa), camp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
nacl co » nacl co2 (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa)
3 nail » _ nail (Expandir a Pesquisa), a nail (Expandir a Pesquisa), m nail (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
co can » co con (Expandir a Pesquisa), co canal (Expandir a Pesquisa), co chain (Expandir a Pesquisa)
j aix » _ aix (Expandir a Pesquisa), j aim (Expandir a Pesquisa), d 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: (((( 3 nail chimp can ngoc ) OR ( 3 nacl co can ngoc ))) OR ( j aix computers can ngoc ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( 3 nail chimp can ngoc ) OR ( 3 nacl co can ngoc ))) OR ( j aix computers can ngoc ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 3 nail chimp can ngoc ) OR ( 3 nacl co can ngoc ))) OR ( j aix computers can ngoc ))*.