Talvez deva tentar algumas variações de ortografia:
nacao compared » nacl compared (Expandir a Pesquisa), ratio compared (Expandir a Pesquisa), faso compared (Expandir a Pesquisa)
delta computer » data computer (Expandir a Pesquisa), stella computer (Expandir a Pesquisa), delphi computer (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
claims can » claims a (Expandir a Pesquisa), claims may (Expandir a Pesquisa)
based snow » based snp (Expandir a Pesquisa)
de nacao » e nacao (Expandir a Pesquisa), de natacao (Expandir a Pesquisa), de nacion (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
j delta » j della (Expandir a Pesquisa), j delton (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: (((( de nacao compared can near ) OR ( j a claims can new ))) OR ( j delta computer based snow ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( de nacao compared can near ) or ( j a claims can new ))) or ( j delta computer based snow ))*.