Talvez deva tentar algumas variações de ortografia:
computer classes » computer clusters (Expandir a Pesquisa), computer cluster (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
maple computer » apple computer (Expandir a Pesquisa), simple computer (Expandir a Pesquisa), mobile computer (Expandir a Pesquisa)
classes non » classes nos (Expandir a Pesquisa), classes na (Expandir a Pesquisa), classes en (Expandir a Pesquisa)
comer than » comer nathan (Expandir a Pesquisa), closer than (Expandir a Pesquisa), colder than (Expandir a Pesquisa)
claims can » claims a (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
j maple » _ maple (Expandir a Pesquisa)
j de » j e (Expandir a Pesquisa), j d (Expandir a Pesquisa)
ever » even (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 de comer than ever ) or ( j a claims can newts ))) or ( j maple computer classes non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j de comer than ever ) OR ( j a claims can newts ))) OR ( j maple computer classes non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j de comer than ever ) or ( j a claims can newts ))) or ( j maple computer classes non ))*.