Talvez deva tentar algumas variações de ortografia:
states compared » rates compared (Expandir a Pesquisa), isolates compared (Expandir a Pesquisa), cases compared (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
j states » j staples (Expandir a Pesquisa), j staines (Expandir a Pesquisa), j stacey (Expandir a Pesquisa)
amp can » amp camp (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
la amp » la ampk (Expandir a Pesquisa), la ampo (Expandir a Pesquisa), na amp (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j la » j a (Expandir a Pesquisa), j l (Expandir a Pesquisa), j da (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat compr can near ) OR ( j la amp can now ))) OR ( j states compared _ note ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat compr can near ) or ( j la amp can now ))) or ( j states compared _ note ))*.