Talvez deva tentar algumas variações de ortografia:
dietz compared » diet compared (Expandir a Pesquisa), diets compared (Expandir a Pesquisa), anxiety compared (Expandir a Pesquisa)
can computers » can computer (Expandir a Pesquisa), than computers (Expandir a Pesquisa), can computed (Expandir a Pesquisa)
compared case » compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa), comparing case (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
yl computer » il computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
j dietz » e dietz (Expandir a Pesquisa), j diez (Expandir a Pesquisa), c dietz (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), _ now (Expandir a Pesquisa), a nos (Expandir a Pesquisa)
a non » _ non (Expandir a Pesquisa)
3 yl » 2 yl (Expandir a Pesquisa), 1 yl (Expandir a Pesquisa), 4 yl (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: (((( rj can computers a now ) or ( 3 yl computer a non ))) or ( j dietz compared case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( rj can computers a now ) OR ( 3 yl computer a non ))) OR ( j dietz compared case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( rj can computers a now ) or ( 3 yl computer a non ))) or ( j dietz compared case now ))*.