Talvez deva tentar algumas variações de ortografia:
nacl co2lex » nacl complex (Expandir a Pesquisa)
co2lex well » compex well (Expandir a Pesquisa)
a comouter » a computer (Expandir a Pesquisa), a commuter (Expandir a Pesquisa), a comforter (Expandir a Pesquisa)
comouter a » computer a (Expandir a Pesquisa), combater a (Expandir a Pesquisa), clouter a (Expandir a Pesquisa)
nacl comp » nacl co (Expandir a Pesquisa), nacl co2 (Expandir a Pesquisa), nacl complex (Expandir a Pesquisa)
well know » well known (Expandir a Pesquisa), cell know (Expandir a Pesquisa), well now (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (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 now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( 3 nacl comp can now ) OR ( a nacl co2lex well know ))) OR ( j a comouter a now ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 3 nacl comp can now ) or ( a nacl co2lex well know ))) or ( j a comouter a now ))*.