Talvez deva tentar algumas variações de ortografia:
comuter based » computer based (Expandir a Pesquisa), counter based (Expandir a Pesquisa), router based (Expandir a Pesquisa)
aix comuter » aix computer (Expandir a Pesquisa), rail commuter (Expandir a Pesquisa), udx computer (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
nat comp » et comp (Expandir a Pesquisa)
la near » la negra (Expandir a Pesquisa), la neuro (Expandir a Pesquisa), la necro (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), c clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j aix » _ aix (Expandir a Pesquisa), j aim (Expandir a Pesquisa), d aix (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": "(((( j nat comp la near ) OR ( j a clamp can new ))) OR ( j aix comuter based now ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat comp la near ) OR ( j a clamp can new ))) OR ( j aix comuter based now ))*.