Talvez deva tentar algumas variações de ortografia:
small computers » small computer (Expandir a Pesquisa)
model compared » model compound (Expandir a Pesquisa), model complex (Expandir a Pesquisa), model combined (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
computers i » computers im (Expandir a Pesquisa), computers ii (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
chimp can » chip can (Expandir a Pesquisa), camp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
l chimp » _ chimp (Expandir a Pesquisa), l chip (Expandir a Pesquisa), _ jchimp (Expandir a Pesquisa)
j small » 1 small (Expandir a Pesquisa)
i nowe » i note (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": "(((( _ model compared can netw ) OR ( j l chimp can netw ))) OR ( j small computers i nowe ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ model compared can netw ) OR ( j l chimp can netw ))) OR ( j small computers i nowe ))*.