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)
narr compared » nmr compared (Expandir a Pesquisa), marrow compared (Expandir a Pesquisa), laser compared (Expandir a Pesquisa)
nad computers » ward computers (Expandir a Pesquisa), cad computer (Expandir a Pesquisa), can computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
case netw » case new (Expandir a Pesquisa), case note (Expandir a Pesquisa), case near (Expandir a Pesquisa)
a rats » fa rats (Expandir a Pesquisa), da rats (Expandir a Pesquisa), a rate (Expandir a Pesquisa)
j narr » l narr (Expandir a Pesquisa), j nair (Expandir a Pesquisa), j nare (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: (((( a rats compared case netw ) or ( j narr compared case netw ))) or ( _ nad computers can new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a rats compared case netw ) OR ( j narr compared case netw ))) OR ( _ nad computers can new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a rats compared case netw ) or ( j narr compared case netw ))) or ( _ nad computers can new ))*.