Talvez deva tentar algumas variações de ortografia:
narr compared » nmr compared (Expandir a Pesquisa), marrow compared (Expandir a Pesquisa), laser compared (Expandir a Pesquisa)
nat computers » what computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa), can computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
rat compared » rats compared (Expandir a Pesquisa), rate compared (Expandir a Pesquisa), rates compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
can netw » can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can now (Expandir a Pesquisa)
j narr » l narr (Expandir a Pesquisa), j nair (Expandir a Pesquisa), j nasr (Expandir a Pesquisa)
_ nat » _ net (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (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: (((( _ rat compared can netw ) or ( j narr compared can netw ))) or ( _ nat computers can new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ rat compared can netw ) OR ( j narr compared can netw ))) OR ( _ nat computers can new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ rat compared can netw ) or ( j narr compared can netw ))) or ( _ nat computers can new ))*.