Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
compared cases » compared case (Expandir a Pesquisa), collared cases (Expandir a Pesquisa), compares bases (Expandir a Pesquisa)
nay computer » navy computer (Expandir a Pesquisa), ray computer (Expandir a Pesquisa), only computer (Expandir a Pesquisa)
ha2 compared » a2 compared (Expandir a Pesquisa), h3n2 compared (Expandir a Pesquisa), 2 compared (Expandir a Pesquisa)
based netw » based new (Expandir a Pesquisa), based net (Expandir a Pesquisa), based next (Expandir a Pesquisa)
cases netw » cases new (Expandir a Pesquisa), cases near (Expandir a Pesquisa), cases need (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa)
rc net » gc net (Expandir a Pesquisa), mc net (Expandir a Pesquisa), nc net (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (Expandir a Pesquisa)
j nay » j nagy (Expandir a Pesquisa), _ nay (Expandir a Pesquisa)
2 ha2 » 2 has2 (Expandir a Pesquisa), 2 hao2 (Expandir a Pesquisa), 2 has (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 nat compr rc net ) or ( j nay computer based netw ))) or ( 2 ha2 compared cases netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( e nat compr rc net ) OR ( j nay computer based netw ))) OR ( 2 ha2 compared cases netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e nat compr rc net ) or ( j nay computer based netw ))) or ( 2 ha2 compared cases netw ))*.