Talvez deva tentar algumas variações de ortografia:
model computer » models computer (Expandir a Pesquisa), modern computer (Expandir a Pesquisa), modems computer (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
rates compared » diabetes compared (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
compared law » compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa), compare a (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
j rates » j raes (Expandir a Pesquisa), j ramesh (Expandir a Pesquisa), j rajesh (Expandir a Pesquisa)
law now » laws now (Expandir a Pesquisa), law new (Expandir a Pesquisa), law non (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: (( a model computer based now ) or ((( v nacl compared a now ) or ( j rates compared law now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a model computer based now ) OR ((( v nacl compared a now ) OR ( j rates compared law now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a model computer based now ) or ((( v nacl compared a now ) or ( j rates compared law now ))))*.