Talvez deva tentar algumas variações de ortografia:
iet computers » iet computer (Expandir a Pesquisa), held computers (Expandir a Pesquisa), mini computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer age (Expandir a Pesquisa), computer code (Expandir a Pesquisa)
compared case » compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa), comparing case (Expandir a Pesquisa)
rat compared » rats compared (Expandir a Pesquisa), rate compared (Expandir a Pesquisa), rates compared (Expandir a Pesquisa)
2 computer » a computer (Expandir a Pesquisa), 3d computer (Expandir a Pesquisa), acm computer (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
j rat » j rath (Expandir a Pesquisa), _ rat (Expandir a Pesquisa), a rat (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 iet computers can new ) or ( 3 2 computer case now ))) or ( j rat compared case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j iet computers can new ) OR ( 3 2 computer case now ))) OR ( j rat compared case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j iet computers can new ) or ( 3 2 computer case now ))) or ( j rat compared case now ))*.