Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
claims mar » claims may (Expandir a Pesquisa), claims made (Expandir a Pesquisa), claims more (Expandir a Pesquisa)
nat clamp » dnan clamp (Expandir a Pesquisa), rnap clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
mar new » war new (Expandir a Pesquisa), bar new (Expandir a Pesquisa), ear new (Expandir a Pesquisa)
_ vhdl » _ vhl (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e 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 nat clamp can near ) or ( j a claims mar new ))) or ( _ vhdl computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat clamp can near ) OR ( j a claims mar new ))) OR ( _ vhdl computer based now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat clamp can near ) or ( j a claims mar new ))) or ( _ vhdl computer based now ))*.