Talvez deva tentar algumas variações de ortografia:
studies computer » students computer (Expandir a Pesquisa), studies completed (Expandir a Pesquisa), studies computing (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
nail computer » daily computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa), il computer (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
computer a » computer _ (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)
a studies » dna studies (Expandir a Pesquisa), gwa studies (Expandir a Pesquisa), area studies (Expandir a Pesquisa)
j nail » _ nail (Expandir a Pesquisa), a nail (Expandir a Pesquisa), 3 nail (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: (((( j nail computer based now ) or ( a studies computer a now ))) or ( m nacl compared a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nail computer based now ) OR ( a studies computer a now ))) OR ( m nacl compared a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nail computer based now ) or ( a studies computer a now ))) or ( m nacl compared a now ))*.