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)
oils compared » oil compared (Expandir a Pesquisa), models compared (Expandir a Pesquisa), trials compared (Expandir a Pesquisa)
days compared » assays compared (Expandir a Pesquisa), hens compared (Expandir a Pesquisa)
compared law » compared can (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
a vhdl » a vhl (Expandir a Pesquisa), _ vhdl (Expandir a Pesquisa)
j days » j davys (Expandir a Pesquisa), j daas (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( a vhdl computers can now ) OR ((( _ oils compared a new ) OR ( j days compared law non ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a vhdl computers can now ) OR ((( _ oils compared a new ) OR ( j days compared law non ))))*.