Talvez deva tentar algumas variações de ortografia:
unit computers » units computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa), mini computers (Expandir a Pesquisa)
unit computer » units computers (Expandir a Pesquisa), tunis computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
computer can » computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa), computer code (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can now (Expandir a Pesquisa)
j unit » a unit (Expandir a Pesquisa), 3 unit (Expandir a Pesquisa), 1 unit (Expandir a Pesquisa)
_ unit » _ united (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: (( _ nat compr can netw ) or ((( j unit computer can netw ) or ( _ unit computers can netw ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ nat compr can netw ) OR ((( j unit computer can netw ) OR ( _ unit computers can netw )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ nat compr can netw ) or ((( j unit computer can netw ) or ( _ unit computers can netw ))))*.