Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
nail company » rail company (Expandir a Pesquisa), oil company (Expandir a Pesquisa), retail company (Expandir a Pesquisa)
tex computer » udx computer (Expandir a Pesquisa), after computer (Expandir a Pesquisa), a computer (Expandir a Pesquisa)
company cpr » company car (Expandir a Pesquisa), company cars (Expandir a Pesquisa), company bor (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
cpr now » apmr now (Expandir a Pesquisa)
nacl co » nacl co2 (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa), nacl kno (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), a nacl (Expandir a Pesquisa)
co can » co con (Expandir a Pesquisa), co canal (Expandir a Pesquisa), co chain (Expandir a Pesquisa)
j tex » j ten (Expandir a Pesquisa), j ter (Expandir a Pesquisa), _ tex (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: (((( _ nail company cpr now ) or ( 3 nacl co can now ))) or ( j tex computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ nail company cpr now ) OR ( 3 nacl co can now ))) OR ( j tex computer based now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ nail company cpr now ) or ( 3 nacl co can now ))) or ( j tex computer based now ))*.