Talvez deva tentar algumas variações de ortografia:
dietz comparing » diet comparing (Expandir a Pesquisa), diets comparing (Expandir a Pesquisa), anxiety comparing (Expandir a Pesquisa)
what computers » how computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa), what consumers (Expandir a Pesquisa)
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparing climate (Expandir a Pesquisa)
apc computer » pc computer (Expandir a Pesquisa), tgpc computer (Expandir a Pesquisa), olpc computer (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)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
rj what » j what (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa), can ngoc (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), a non (Expandir a Pesquisa), _ now (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 what computers a now ) or ( _ apc computer can non ))) or ( j dietz comparing case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( rj what computers a now ) OR ( _ apc computer can non ))) OR ( j dietz comparing case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( rj what computers a now ) or ( _ apc computer can non ))) or ( j dietz comparing case now ))*.