Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
nair computer » rairo computer (Expandir a Pesquisa), under computer (Expandir a Pesquisa), labor computer (Expandir a Pesquisa)
natl clamp » tail clamp (Expandir a Pesquisa)
clamp cr » clamp ar (Expandir a Pesquisa), clamp croc (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
cr newly » can newly (Expandir a Pesquisa), our newly (Expandir a Pesquisa), per newly (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a clamp » dna clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
a nair » a nail (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 natl clamp a new ) OR ( j a clamp cr newly ))) OR ( a nair computer case now ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl clamp a new ) OR ( j a clamp cr newly ))) OR ( a nair computer case now ))*.