Talvez deva tentar algumas variações de ortografia:
charges compared » changes compared (Expandir a Pesquisa), caries compared (Expandir a Pesquisa), charts compared (Expandir a Pesquisa)
unit computer » unit computed (Expandir a Pesquisa), units computers (Expandir a Pesquisa), tunis computer (Expandir a Pesquisa)
compared can » compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa), companies can (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
compr than » cpr than (Expandir a Pesquisa), complex than (Expandir a Pesquisa), company than (Expandir a Pesquisa)
j charges » j charles (Expandir a Pesquisa), _ charges (Expandir a Pesquisa), e charges (Expandir a Pesquisa)
can ngo » can ngoc (Expandir a Pesquisa), can ngos (Expandir a Pesquisa), canh ngo (Expandir a Pesquisa)
a unit » a united (Expandir a Pesquisa)
a netb » a neto (Expandir a Pesquisa), _ netb (Expandir a Pesquisa), a neta (Expandir a Pesquisa)
j narr » l narr (Expandir a Pesquisa), j nair (Expandir a Pesquisa), j nare (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: (((( a unit computer a netb ) or ( j narr compr than non ))) or ( j charges compared can ngo ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a unit computer a netb ) OR ( j narr compr than non ))) OR ( j charges compared can ngo )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a unit computer a netb ) or ( j narr compr than non ))) or ( j charges compared can ngo ))*.