Talvez deva tentar algumas variações de ortografia:
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparing climate (Expandir a Pesquisa)
diet comparing » diets comparing (Expandir a Pesquisa), drift comparing (Expandir a Pesquisa), dast comparing (Expandir a Pesquisa)
nat computers » what computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa), can computers (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
il computer » dal computer (Expandir a Pesquisa), line computer (Expandir a Pesquisa), vhdl computer (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
j diet » j dietz (Expandir a Pesquisa), 6j diet (Expandir a Pesquisa), j diez (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (Expandir a Pesquisa)
3 il » _ il (Expandir a Pesquisa), 3 yl (Expandir a Pesquisa), e il (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 nat computers a now ) or ( 3 il computer can new ))) or ( j diet comparing case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat computers a now ) OR ( 3 il computer can new ))) OR ( j diet comparing case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat computers a now ) or ( 3 il computer can new ))) or ( j diet comparing case now ))*.