Talvez deva tentar algumas variações de ortografia:
vhdl computers » vhdl computer (Expandir a Pesquisa), held computers (Expandir a Pesquisa), how computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
compared case » compared cases (Expandir a Pesquisa), compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa)
nat compared » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa)
combe jean » combes jean (Expandir a Pesquisa), comte jean (Expandir a Pesquisa), combe juan (Expandir a Pesquisa)
jean netw » jean nei (Expandir a Pesquisa), jean neal (Expandir a Pesquisa), jean nepo (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
e combe » e combes (Expandir a Pesquisa), e coombe (Expandir a Pesquisa), e combs (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (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: (((( _ vhdl computers can now ) or ( e nat compared case now ))) or ( j e combe jean netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ vhdl computers can now ) OR ( e nat compared case now ))) OR ( j e combe jean netw ))*.