Talvez deva tentar algumas variações de ortografia:
rates compare » rates compared (Expandir a Pesquisa), rate compare (Expandir a Pesquisa), rats compare (Expandir a Pesquisa)
compare slow » compare low (Expandir a Pesquisa), comparing slow (Expandir a Pesquisa), compare slopes (Expandir a Pesquisa)
slow noise » low noise (Expandir a Pesquisa), flow noise (Expandir a Pesquisa), flow noises (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa), nat comm (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
combe can » pombe can (Expandir a Pesquisa), combe juan (Expandir a Pesquisa), combe jean (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
a combe » la combe (Expandir a Pesquisa), a combes (Expandir a Pesquisa), a comb (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa)
j rates » j raes (Expandir a Pesquisa), j ramesh (Expandir a Pesquisa), j rajesh (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: (((( _ nat compr can netw ) or ( j a combe can non ))) or ( j rates compare slow noise ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ nat compr can netw ) OR ( j a combe can non ))) OR ( j rates compare slow noise )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ nat compr can netw ) or ( j a combe can non ))) or ( j rates compare slow noise ))*.