Talvez deva tentar algumas variações de ortografia:
computer cases » computer case (Expandir a Pesquisa), computer classes (Expandir a Pesquisa), computer caries (Expandir a Pesquisa)
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa)
compared has » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
ray computer » ray computed (Expandir a Pesquisa), uy computer (Expandir a Pesquisa)
has never » a never (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
cases non » causes non (Expandir a Pesquisa), case non (Expandir a Pesquisa), biases non (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (Expandir a Pesquisa)
j ray » x ray (Expandir a Pesquisa), _ ray (Expandir a Pesquisa), w ray (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 natl compared has never ) or ( j dna clamp can new ))) or ( j ray computer cases non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl compared has never ) OR ( j dna clamp can new ))) OR ( j ray computer cases non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl compared has never ) or ( j dna clamp can new ))) or ( j ray computer cases non ))*.