Talvez deva tentar algumas variações de ortografia:
nacl compared » acl compared (Expandir a Pesquisa), al compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
das computer » dos computer (Expandir a Pesquisa), d0s computer (Expandir a Pesquisa), does computer (Expandir a Pesquisa)
compared a » compared _ (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)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
j nacl » _ nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa), a nacl (Expandir a Pesquisa)
_ das » _ day (Expandir a Pesquisa), e das (Expandir a Pesquisa), _ dar (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: (((( j nacl compared a near ) or ( j a clamp a new ))) or ( _ das computer case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nacl compared a near ) OR ( j a clamp a new ))) OR ( _ das computer case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nacl compared a near ) or ( j a clamp a new ))) or ( _ das computer case now ))*.