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)
dna clamp » a clamp (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
natl amp » atl am (Expandir a Pesquisa), al amp (Expandir a Pesquisa), dall amp (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
clamp em » clamp m (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa), clamp _ (Expandir a Pesquisa)
em newly » emp1 newly (Expandir a Pesquisa), term newly (Expandir a Pesquisa), amp newly (Expandir a Pesquisa)
amp can » amp camp (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)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (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 amp can near ) or ( j dna clamp em newly ))) or ( j daily computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl amp can near ) OR ( j dna clamp em newly ))) OR ( j daily computer based now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl amp can near ) or ( j dna clamp em newly ))) or ( j daily computer based now ))*.