Talvez deva tentar algumas variações de ortografia:
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
nacl complex » nail complex (Expandir a Pesquisa), nac56 complex (Expandir a Pesquisa), nasal complex (Expandir a Pesquisa)
complex can » complex case (Expandir a Pesquisa), complex care (Expandir a Pesquisa), complex cell (Expandir a Pesquisa)
a computers » a computer's (Expandir a Pesquisa), a computer (Expandir a Pesquisa), _ computers (Expandir a Pesquisa)
nacl kno » nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
kno can » know can (Expandir a Pesquisa), knots can (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
a nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), a naci (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 nacl kno can new ) or ( a nacl complex can ngoc ))) or ( j a computers can ngoc ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( 3 nacl kno can new ) OR ( a nacl complex can ngoc ))) OR ( j a computers can ngoc )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 3 nacl kno can new ) or ( a nacl complex can ngoc ))) or ( j a computers can ngoc ))*.