Talvez deva tentar algumas variações de ortografia:
rats compared » rates compared (Expandir a Pesquisa)
compared case » compared cases (Expandir a Pesquisa), compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa)
nart compared » art compared (Expandir a Pesquisa), wart compared (Expandir a Pesquisa), haart compared (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
cat computer » cost computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
case netw » case note (Expandir a Pesquisa), case near (Expandir a Pesquisa), case need (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
j rats » j rath (Expandir a Pesquisa), j raes (Expandir a Pesquisa), rij rats (Expandir a Pesquisa)
j nart » _ nart (Expandir a Pesquisa), j nare (Expandir a Pesquisa), j narr (Expandir a Pesquisa)
j cat » _ cat (Expandir a Pesquisa), a cat (Expandir a Pesquisa), j cao (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 rats compared case netw ) or ( j nart compared case netw ))) or ( j cat computer case new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j rats compared case netw ) OR ( j nart compared case netw ))) OR ( j cat computer case new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j rats compared case netw ) or ( j nart compared case netw ))) or ( j cat computer case new ))*.