Talvez deva tentar algumas variações de ortografia:
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparing climate (Expandir a Pesquisa)
acl comparing » al comparing (Expandir a Pesquisa), ac comparing (Expandir a Pesquisa), all comparing (Expandir a Pesquisa)
computer a » computer _ (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)
case non » cause non (Expandir a Pesquisa), case note (Expandir a Pesquisa), phase non (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j small » 1 small (Expandir a Pesquisa), 2 small (Expandir a Pesquisa), 40 small (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (Expandir a Pesquisa)
_ acl » _ act (Expandir a Pesquisa), _ ace (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: (((( e nat compr can now ) or ( j small computer a now ))) or ( _ acl comparing case non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( e nat compr can now ) OR ( j small computer a now ))) OR ( _ acl comparing case non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e nat compr can now ) or ( j small computer a now ))) or ( _ acl comparing case non ))*.