Talvez deva tentar algumas variações de ortografia:
canada compared » canada comparing (Expandir a Pesquisa), cancer compared (Expandir a Pesquisa)
local computer » novel computer (Expandir a Pesquisa), medical 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 care » claims made (Expandir a Pesquisa), claims can (Expandir a Pesquisa), claims more (Expandir a Pesquisa)
based snow » based snp (Expandir a Pesquisa)
j canada » _ canada (Expandir a Pesquisa), a canada (Expandir a Pesquisa), 9 canada (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
care new » care need (Expandir a Pesquisa)
j local » bmj local (Expandir a Pesquisa), j locane (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 canada compared can new ) OR ( j a claims care new ))) OR ( j local computer based snow ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j canada compared can new ) or ( j a claims care new ))) or ( j local computer based snow ))*.