Talvez deva tentar algumas variações de ortografia:
what computers » how computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa), what consumers (Expandir a Pesquisa)
combined cases » combined causes (Expandir a Pesquisa), combined case (Expandir a Pesquisa), combined caries (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
diet combined » first combined (Expandir a Pesquisa)
il computer » dal computer (Expandir a Pesquisa), vhdl computer (Expandir a Pesquisa), acm computer (Expandir a Pesquisa)
cases now » cases new (Expandir a Pesquisa), cases non (Expandir a Pesquisa), cases nos (Expandir a Pesquisa)
case now » case non (Expandir a Pesquisa), case new (Expandir a Pesquisa), case note (Expandir a Pesquisa)
6j diet » 6 diet (Expandir a Pesquisa), 6n diet (Expandir a Pesquisa)
j what » rj what (Expandir a Pesquisa), 1 what (Expandir a Pesquisa), 5 what (Expandir a Pesquisa)
e il » _ il (Expandir a Pesquisa), e l (Expandir a Pesquisa), e i (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 what computers _ now ) or ( e il computer case now ))) or ( 6j diet combined cases now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j what computers _ now ) OR ( e il computer case now ))) OR ( 6j diet combined cases now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j what computers _ now ) or ( e il computer case now ))) or ( 6j diet combined cases now ))*.