Talvez deva tentar algumas variações de ortografia:
computer classes » computer clusters (Expandir a Pesquisa), computer cluster (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
delta computer » data computer (Expandir a Pesquisa), stella computer (Expandir a Pesquisa), delphi computer (Expandir a Pesquisa)
nat compared » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (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 newts » _ newts (Expandir a Pesquisa), j newton (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (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: (((( e nat compared can near ) OR ( j a claims j newts ))) OR ( _ delta computer classes now ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e nat compared can near ) or ( j a claims j newts ))) or ( _ delta computer classes now ))*.