Talvez deva tentar algumas variações de ortografia:
rats compared » rates compared (Expandir a Pesquisa)
computer code » computer model (Expandir a Pesquisa), computer models (Expandir a Pesquisa), computer crime (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
cat computer » cost computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
code new » codes new (Expandir a Pesquisa), code net (Expandir a Pesquisa), code nec2 (Expandir a Pesquisa)
j rats » j rath (Expandir a Pesquisa), j raes (Expandir a Pesquisa), rij rats (Expandir a Pesquisa)
e cat » e cata (Expandir a Pesquisa), _ cat (Expandir a Pesquisa), a cat (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 can netw ) or ((( e cat computer code new ) or ( e cat computer a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j rats compared can netw ) OR ((( e cat computer code new ) OR ( e cat computer a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j rats compared can netw ) or ((( e cat computer code new ) or ( e cat computer a new ))))*.