Talvez deva tentar algumas variações de ortografia:
dental computer » dental computed (Expandir a Pesquisa), digital computer (Expandir a Pesquisa), annual computer (Expandir a Pesquisa)
nacl companies » small companies (Expandir a Pesquisa), oil companies (Expandir a Pesquisa), nacl compared (Expandir a Pesquisa)
daily compared » early compared (Expandir a Pesquisa), elderly compared (Expandir a Pesquisa)
companies can » companies case (Expandir a Pesquisa), companies a (Expandir a Pesquisa), companies cut (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j daily » j daly (Expandir a Pesquisa), j daisy (Expandir a Pesquisa), j daigle (Expandir a Pesquisa)
j nacl » _ nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa), a nacl (Expandir a Pesquisa)
a nos » a non (Expandir a Pesquisa), e nos (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: (( i dental computer a new ) or ((( j nacl companies can now ) or ( j daily compared a nos ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i dental computer a new ) OR ((( j nacl companies can now ) OR ( j daily compared a nos )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i dental computer a new ) or ((( j nacl companies can now ) or ( j daily compared a nos ))))*.