Talvez deva tentar algumas variações de ortografia:
comparing chronic » complicating chronic (Expandir a Pesquisa), comparing electronic (Expandir a Pesquisa)
natl comparing » al comparing (Expandir a Pesquisa), all comparing (Expandir a Pesquisa), small comparing (Expandir a Pesquisa)
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)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa)
j nayl » a nayl (Expandir a Pesquisa), j nay (Expandir a Pesquisa), j nail (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j natali (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (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 nayl compr can new ) or ( j nat compared can near ))) or ( j natl comparing chronic non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nayl compr can new ) OR ( j nat compared can near ))) OR ( j natl comparing chronic non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nayl compr can new ) or ( j nat compared can near ))) or ( j natl comparing chronic non ))*.