Talvez deva tentar algumas variações de ortografia:
computer costs » computer codes (Expandir a Pesquisa), computer tests (Expandir a Pesquisa), computer courses (Expandir a Pesquisa)
cost computer » joint computer (Expandir a Pesquisa), about computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
nacl compared » al compared (Expandir a Pesquisa), panel compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
compared can » compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa), companies can (Expandir a Pesquisa)
natl comes » all comes (Expandir a Pesquisa), wall comes (Expandir a Pesquisa)
comes can » homes can (Expandir a Pesquisa), domes can (Expandir a Pesquisa), comes calin (Expandir a Pesquisa)
costs new » hosts new (Expandir a Pesquisa), pests new (Expandir a Pesquisa), tests new (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j cost » j costa (Expandir a Pesquisa), j coast (Expandir a Pesquisa), j colt (Expandir a Pesquisa)
j nacl » _ nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa), m nacl (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 comes can new ) or ( j cost computer costs new ))) or ( j nacl compared can new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl comes can new ) OR ( j cost computer costs new ))) OR ( j nacl compared can new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl comes can new ) or ( j cost computer costs new ))) or ( j nacl compared can new ))*.