Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
dal computer » dental computer (Expandir a Pesquisa), small computer (Expandir a Pesquisa), local computer (Expandir a Pesquisa)
natl come » natal como (Expandir a Pesquisa), natal com (Expandir a Pesquisa), all come (Expandir a Pesquisa)
clamp pcr » lamp pcr (Expandir a Pesquisa), clamp pcna (Expandir a Pesquisa), amp pcr (Expandir a Pesquisa)
pcr newts » pcr new (Expandir a Pesquisa), pcr next (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
come can » comes can (Expandir a Pesquisa), home can (Expandir a Pesquisa), cme can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
_ dal » _ day (Expandir a Pesquisa), _ dar (Expandir a Pesquisa), _ das (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 come can near ) or ( j _ clamp pcr newts ))) or ( _ dal computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl come can near ) OR ( j _ clamp pcr newts ))) OR ( _ dal computer based now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl come can near ) or ( j _ clamp pcr newts ))) or ( _ dal computer based now ))*.