Talvez deva tentar algumas variações de ortografia:
computer classes » computer clusters (Expandir a Pesquisa), computer cluster (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
daily computer » daily computed (Expandir a Pesquisa), daily compared (Expandir a Pesquisa), ray computer (Expandir a Pesquisa)
compared can » compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa), companies can (Expandir a Pesquisa)
classes now » classes new (Expandir a Pesquisa), classes nos (Expandir a Pesquisa), classes na (Expandir a Pesquisa)
a compared » data compared (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
j daily » j dailey (Expandir a Pesquisa), j daly (Expandir a Pesquisa), j daisy (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: (((( j a compared can near ) OR ( j a clamp can new ))) OR ( j daily computer classes now ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j a compared can near ) or ( j a clamp can new ))) or ( j daily computer classes now ))*.