Talvez deva tentar algumas variações de ortografia:
computer classes » computer clusters (Expandir a Pesquisa), computer cluster (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
cat computer » cost computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
del computer » dal computer (Expandir a Pesquisa), delta computer (Expandir a Pesquisa), model computer (Expandir a Pesquisa)
classes now » classes new (Expandir a Pesquisa), classes nos (Expandir a Pesquisa), classes na (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
claims j » claims _ (Expandir a Pesquisa), claims a (Expandir a Pesquisa), claims 1 (Expandir a Pesquisa)
j newton » a newton (Expandir a Pesquisa), g newton (Expandir a Pesquisa), de newton (Expandir a Pesquisa)
e cat » e cata (Expandir a Pesquisa), _ cat (Expandir a Pesquisa), a cat (Expandir a Pesquisa)
j del » y del (Expandir a Pesquisa), m del (Expandir a Pesquisa), _ del (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: (((( e cat computer can near ) or ( j a claims j newton ))) or ( j del computer classes now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( e cat computer can near ) OR ( j a claims j newton ))) OR ( j del computer classes now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e cat computer can near ) or ( j a claims j newton ))) or ( j del computer classes now ))*.