Talvez deva tentar algumas variações de ortografia:
model compared » model compound (Expandir a Pesquisa), model combined (Expandir a Pesquisa), model complex (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
rat compared » rats compared (Expandir a Pesquisa), rate compared (Expandir a Pesquisa), rates compared (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can now (Expandir a Pesquisa), can near (Expandir a Pesquisa)
j model » j modolo (Expandir a Pesquisa), j monder (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), j nay (Expandir a Pesquisa)
j rat » j rath (Expandir a Pesquisa), _ rat (Expandir a Pesquisa), a rat (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 can netw ) or ( j model compared can newts ))) or ( j rat compared _ neta ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat compr can netw ) OR ( j model compared can newts ))) OR ( j rat compared _ neta )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat compr can netw ) or ( j model compared can newts ))) or ( j rat compared _ neta ))*.