Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
daily computer » daily computed (Expandir a Pesquisa), daily compared (Expandir a Pesquisa), ray computer (Expandir a Pesquisa)
natl clamp » tail clamp (Expandir a Pesquisa)
clamp pcr » lamp pcr (Expandir a Pesquisa), clamp pcna (Expandir a Pesquisa), amp pcr (Expandir a Pesquisa)
pcr newts » pcr next (Expandir a Pesquisa), pcr new (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
clamp ar » clamp a (Expandir a Pesquisa), clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
ar near » far near (Expandir a Pesquisa), sar near (Expandir a Pesquisa), mr near (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
j daily » j dailey (Expandir a Pesquisa), j daly (Expandir a Pesquisa), j daisy (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), j nat (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 clamp ar near ) or ( j a clamp pcr newts ))) or ( j daily computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl clamp ar near ) OR ( j a clamp pcr newts ))) OR ( j daily computer based now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl clamp ar near ) or ( j a clamp pcr newts ))) or ( j daily computer based now ))*.