Talvez deva tentar algumas variações de ortografia:
computer caries » computer crimes (Expandir a Pesquisa), computer classes (Expandir a Pesquisa), computer courses (Expandir a Pesquisa)
natl computer » dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
unit computer » units computers (Expandir a Pesquisa), tunis computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
caries now » caries new (Expandir a Pesquisa), caries con (Expandir a Pesquisa), caries do (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
3 unit » _ unit (Expandir a Pesquisa), a unit (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 natl computer caries now ) or ( 3 unit computer can now ))) or ( j natl compared can now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl computer caries now ) OR ( 3 unit computer can now ))) OR ( j natl compared can now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl computer caries now ) or ( 3 unit computer can now ))) or ( j natl compared can now ))*.