Talvez deva tentar algumas variações de ortografia:
using computers » using computer (Expandir a Pesquisa), using computed (Expandir a Pesquisa), using computerized (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
computed can » computer can (Expandir a Pesquisa), computed pain (Expandir a Pesquisa), computed cd4 (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
a computed » _ computed (Expandir a Pesquisa), a computer (Expandir a Pesquisa), beam computed (Expandir a Pesquisa)
tmj using » 6j using (Expandir a Pesquisa), j using (Expandir a Pesquisa), sgj using (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
law now » laws now (Expandir a Pesquisa), law new (Expandir a Pesquisa), law non (Expandir a Pesquisa)
j nacl » _ nacl (Expandir a Pesquisa), a nacl (Expandir a Pesquisa), 3 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 a computed can new ) or ( tmj using computers can now ))) or ( j nacl compared law now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j a computed can new ) OR ( tmj using computers can now ))) OR ( j nacl compared law now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j a computed can new ) or ( tmj using computers can now ))) or ( j nacl compared law now ))*.