Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
aim computer » abim computer (Expandir a Pesquisa), acm computer (Expandir a Pesquisa), cim computer (Expandir a Pesquisa)
natl come » natal como (Expandir a Pesquisa), natal com (Expandir a Pesquisa), all come (Expandir a Pesquisa)
clamp cum » clamp m (Expandir a Pesquisa), clamp can (Expandir a Pesquisa), clamp em (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
come la » comme la (Expandir a Pesquisa), come a (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
cum new » zum new (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j aim » _ aim (Expandir a Pesquisa)
negra » negro (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: (((( j natl come la negra ) or ( j a clamp cum new ))) or ( j aim computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl come la negra ) OR ( j a clamp cum new ))) OR ( j aim computer based now ))*.