Talvez deva tentar algumas variações de ortografia:
natl computers » small computers (Expandir a Pesquisa), units computers (Expandir a Pesquisa), panel computers (Expandir a Pesquisa)
computer cases » computer case (Expandir a Pesquisa), computer classes (Expandir a Pesquisa), computer caries (Expandir a Pesquisa)
diet compared » test compared (Expandir a Pesquisa), ct compared (Expandir a Pesquisa), diet combined (Expandir a Pesquisa)
compared case » compared cases (Expandir a Pesquisa), compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa)
can computer » brain computer (Expandir a Pesquisa), human computer (Expandir a Pesquisa), african 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)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j diet » j dietz (Expandir a Pesquisa), 6j diet (Expandir a Pesquisa), j diez (Expandir a Pesquisa)
3 can » _ can (Expandir a Pesquisa), i can (Expandir a Pesquisa), 1 can (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 natl computers _ ngoc ) or ( 3 can computer cases now ))) or ( j diet compared case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl computers _ ngoc ) OR ( 3 can computer cases now ))) OR ( j diet compared case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl computers _ ngoc ) or ( 3 can computer cases now ))) or ( j diet compared case now ))*.