Talvez deva tentar algumas variações de ortografia:
natl computers » small computers (Expandir a Pesquisa), panel computers (Expandir a Pesquisa), can computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
nayl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), al compared (Expandir a Pesquisa)
compared can » compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa), companies can (Expandir a Pesquisa)
nat camp » fat camp (Expandir a Pesquisa), cpt camp (Expandir a Pesquisa), a1 camp (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa)
j nayl » a nayl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nay (Expandir a Pesquisa)
camp c » champ c (Expandir a Pesquisa), camp _ (Expandir a Pesquisa), camp a (Expandir a Pesquisa)
c netw » c neto (Expandir a Pesquisa), soc netw (Expandir a Pesquisa)
_ nat » _ net (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (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 can non ) or ( j nayl compared can non ))) or ( _ nat camp c netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ natl computers can non ) OR ( j nayl compared can non ))) OR ( _ nat camp c netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ natl computers can non ) or ( j nayl compared can non ))) or ( _ nat camp c netw ))*.