Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
nail computer » daily computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa), il computer (Expandir a Pesquisa)
nat compare » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), rate compare (Expandir a Pesquisa)
compare gag » compare a (Expandir a Pesquisa), compare gp (Expandir a Pesquisa), compare gene (Expandir a Pesquisa)
gag near » bag near (Expandir a Pesquisa), gag nef (Expandir a Pesquisa), gag lead (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a news » wpa news (Expandir a Pesquisa), cua news (Expandir a Pesquisa)
j nail » _ nail (Expandir a Pesquisa), a nail (Expandir a Pesquisa), 3 nail (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: (((( _ nat compare gag near ) or ( j a clamp a news ))) or ( j nail computer case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ nat compare gag near ) OR ( j a clamp a news ))) OR ( j nail computer case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ nat compare gag near ) or ( j a clamp a news ))) or ( j nail computer case now ))*.