Talvez deva tentar algumas variações de ortografia:
nat compared » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
nat computer » cat computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
compre can » complex can (Expandir a Pesquisa), comp can (Expandir a Pesquisa), compre las (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
d compre » y compre (Expandir a Pesquisa), d compared (Expandir a Pesquisa), d complex (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
can net » can next (Expandir a Pesquisa), can new (Expandir a Pesquisa), dan net (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( e nat compared can net ) OR ( j d compre can near ))) OR ( e nat computer a new ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e nat compared can net ) OR ( j d compre can near ))) OR ( e nat computer a new ))*.