Talvez deva tentar algumas variações de ortografia:
scale computer » care computer (Expandir a Pesquisa), simple computer (Expandir a Pesquisa), pascal computer (Expandir a Pesquisa)
computer codes » computer code (Expandir a Pesquisa), computer models (Expandir a Pesquisa), computer model (Expandir a Pesquisa)
daily computer » daily compared (Expandir a Pesquisa), ray computer (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
codes new » codes et (Expandir a Pesquisa), codes law (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a newts » _ newts (Expandir a Pesquisa), a news (Expandir a Pesquisa), a newt (Expandir a Pesquisa)
d daily » _ daily (Expandir a Pesquisa), a daily (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( _ scale computer codes new ) OR ( j a clamp a newts ))) OR ( d daily computer case new ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ scale computer codes new ) OR ( j a clamp a newts ))) OR ( d daily computer case new ))*.