Talvez deva tentar algumas variações de ortografia:
model compared » model compound (Expandir a Pesquisa), model combined (Expandir a Pesquisa), model complex (Expandir a Pesquisa)
fast computer » cost computer (Expandir a Pesquisa), best computer (Expandir a Pesquisa), fast computing (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa), nat comm (Expandir a Pesquisa)
anc netw » soc netw (Expandir a Pesquisa), nc net (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
_ model » _ modern (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
j fast » j faust (Expandir a Pesquisa), j fausto (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a nat (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: (((( j nat compr anc netw ) or ( _ model compared a netw ))) or ( j fast computer can netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat compr anc netw ) OR ( _ model compared a netw ))) OR ( j fast computer can netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat compr anc netw ) or ( _ model compared a netw ))) or ( j fast computer can netw ))*.