Talvez deva tentar algumas variações de ortografia:
copings computer » points computer (Expandir a Pesquisa), computing computer (Expandir a Pesquisa), cows computer (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
nacl compared » al compared (Expandir a Pesquisa), panel compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
dal computer » dental computer (Expandir a Pesquisa), small computer (Expandir a Pesquisa), local computer (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
a copings » a coping (Expandir a Pesquisa), _ copings (Expandir a Pesquisa), cr copings (Expandir a Pesquisa)
j dal » j dale (Expandir a Pesquisa), j daly (Expandir a Pesquisa), j dahl (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), a nos (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 dal computer based now ) or ( a copings computer _ now ))) or ( 3.5 nacl compared a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j dal computer based now ) OR ( a copings computer _ now ))) OR ( 3.5 nacl compared a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j dal computer based now ) or ( a copings computer _ now ))) or ( 3.5 nacl compared a now ))*.