Talvez deva tentar algumas variações de ortografia:
unit computer » units computers (Expandir a Pesquisa), tunis computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
nail compared » nails compared (Expandir a Pesquisa), nacl compared (Expandir a Pesquisa), daily compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j unit » a unit (Expandir a Pesquisa), 3 unit (Expandir a Pesquisa), 1 unit (Expandir a Pesquisa)
_ nasr » _ nasir (Expandir a Pesquisa), _ nash (Expandir a Pesquisa), _ naso (Expandir a Pesquisa)
j nail » _ nail (Expandir a Pesquisa), a nail (Expandir a Pesquisa), 3 nail (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j unit computer a neto ) OR ( _ nasr compr can now ))) OR ( j nail compared can new ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j unit computer a neto ) OR ( _ nasr compr can now ))) OR ( j nail compared can new ))*.