Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
clamp war » clamp ar (Expandir a Pesquisa), clamp a (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
nat chin » yat ching (Expandir a Pesquisa), juat chin (Expandir a Pesquisa), bat china (Expandir a Pesquisa)
chin can » chin chan (Expandir a Pesquisa), china can (Expandir a Pesquisa), thin can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
a clamp » c clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
war new » war news (Expandir a Pesquisa), wars new (Expandir a Pesquisa), year new (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat chin can near ) OR ( j a clamp war new ))) OR ( j (nail OR neil) computer case now ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j nat chin can near ) or ( j a clamp war new ))) or ( j (nail OR neil) computer case now ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat chin can near ) or ( j a clamp war new ))) or ( j (nail OR neil) computer case now ))*.