Talvez deva tentar algumas variações de ortografia:
computer code » computer model (Expandir a Pesquisa), computer models (Expandir a Pesquisa), computer crime (Expandir a Pesquisa)
acm computer » a computer (Expandir a Pesquisa), um computer (Expandir a Pesquisa), uym computer (Expandir a Pesquisa)
combe juan » comas juan (Expandir a Pesquisa)
claims may » claims made (Expandir a Pesquisa), claims a (Expandir a Pesquisa), claims can (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
code non » codes non (Expandir a Pesquisa), node non (Expandir a Pesquisa), mode non (Expandir a Pesquisa)
l combe » la combe (Expandir a Pesquisa), _ combe (Expandir a Pesquisa), l combs (Expandir a Pesquisa)
may new » may now (Expandir a Pesquisa), bay new (Expandir a Pesquisa), way new (Expandir a Pesquisa)
j acm » _ acm (Expandir a Pesquisa), j aim (Expandir a Pesquisa), j alm (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 l combe juan (never OR fever) ) or ( j a claims may new ))) or ( j acm computer code non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j l combe juan (never OR fever) ) OR ( j a claims may new ))) OR ( j acm computer code non ))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j l combe juan (never OR fever) ) or ( j a claims may new ))) or ( j acm computer code non ))*".