Talvez deva tentar algumas variações de ortografia:
natl computers » small computers (Expandir a Pesquisa), units computers (Expandir a Pesquisa), panel computers (Expandir a Pesquisa)
unit computers » units computers (Expandir a Pesquisa), unit computer (Expandir a Pesquisa), iet computers (Expandir a Pesquisa)
computers dan » computers can (Expandir a Pesquisa), computers data (Expandir a Pesquisa), computers a (Expandir a Pesquisa)
nat compared » rat compared (Expandir a Pesquisa), fat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
dan non » than non (Expandir a Pesquisa), dan ning (Expandir a Pesquisa)
j unit » _ unit (Expandir a Pesquisa), a unit (Expandir a Pesquisa), 3 unit (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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: (((( _ natl computers dan non ) or ( j unit computers dan non ))) or ( j nat compared a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ natl computers dan non ) OR ( j unit computers dan non ))) OR ( j nat compared a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ natl computers dan non ) or ( j unit computers dan non ))) or ( j nat compared a now ))*.