Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
lab computer » a computer (Expandir a Pesquisa), can computer (Expandir a Pesquisa), cam computer (Expandir a Pesquisa)
natl compare » rate compare (Expandir a Pesquisa), data compare (Expandir a Pesquisa), rats compare (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
case near » cases near (Expandir a Pesquisa), care near (Expandir a Pesquisa), base near (Expandir a Pesquisa)
can net » can next (Expandir a Pesquisa), can new (Expandir a Pesquisa), dan net (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j natali (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j lab » j lamb (Expandir a Pesquisa), _ lab (Expandir a Pesquisa), a lab (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 nat compr can net ) or ( j lab computer case near ))) or ( j natl compare _ now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat compr can net ) OR ( j lab computer case near ))) OR ( j natl compare _ now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat compr can net ) or ( j lab computer case near ))) or ( j natl compare _ now ))*.