Talvez deva tentar algumas variações de ortografia:
computer course » computer courses (Expandir a Pesquisa), computer discourse (Expandir a Pesquisa), computing course (Expandir a Pesquisa)
fast computer » cost computer (Expandir a Pesquisa), best computer (Expandir a Pesquisa), fast computing (Expandir a Pesquisa)
copper can » copper clad (Expandir a Pesquisa), copper cast (Expandir a Pesquisa), copper case (Expandir a Pesquisa)
course new » course news (Expandir a Pesquisa), courses new (Expandir a Pesquisa), course na (Expandir a Pesquisa)
vi copper » ii copper (Expandir a Pesquisa), i copper (Expandir a Pesquisa), a copper (Expandir a Pesquisa)
can nextw » can next (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can net (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
l compr » l comper (Expandir a Pesquisa), la compr (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
j vi » j v (Expandir a Pesquisa), j i (Expandir a Pesquisa), j li (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 vi copper can nextw ) or ( j l compr can new ))) or ( a fast computer course new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j vi copper can nextw ) OR ( j l compr can new ))) OR ( a fast computer course new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j vi copper can nextw ) or ( j l compr can new ))) or ( a fast computer course new ))*.