Talvez deva tentar algumas variações de ortografia:
computer classes » computer clusters (Expandir a Pesquisa), computer cluster (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
classes new » glasses new (Expandir a Pesquisa), classes de (Expandir a Pesquisa), classes e (Expandir a Pesquisa)
l computer » il computer (Expandir a Pesquisa), al computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa)
all child » ill child (Expandir a Pesquisa), small child (Expandir a Pesquisa), well child (Expandir a Pesquisa)
child can » child car (Expandir a Pesquisa), child care (Expandir a Pesquisa), child case (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
j all » _ all (Expandir a Pesquisa), b all (Expandir a Pesquisa), j ali (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 all child can near ) or ( j _ clamp can newts ))) or ( j l computer classes new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j all child can near ) OR ( j _ clamp can newts ))) OR ( j l computer classes new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j all child can near ) or ( j _ clamp can newts ))) or ( j l computer classes new ))*.