Talvez deva tentar algumas variações de ortografia:
computer codes » computer code (Expandir a Pesquisa), computer models (Expandir a Pesquisa), computer model (Expandir a Pesquisa)
natl computer » al computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
dal computer » dental computer (Expandir a Pesquisa), small computer (Expandir a Pesquisa), local computer (Expandir a Pesquisa)
codes new » codes law (Expandir a Pesquisa)
case non » cause non (Expandir a Pesquisa), case note (Expandir a Pesquisa), use non (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
clamp m » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa), clamp a (Expandir a Pesquisa)
m newts » _ newts (Expandir a Pesquisa), m news (Expandir a Pesquisa), m newton (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j dal » j dale (Expandir a Pesquisa), j daly (Expandir a Pesquisa), j dahl (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 codes new ) or ( j a clamp m newts ))) or ( j dal computer case non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl computer codes new ) OR ( j a clamp m newts ))) OR ( j dal computer case non ))*.