Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
nadal compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), canada compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
claims cash » claims rasch (Expandir a Pesquisa), claims can (Expandir a Pesquisa), claims cost (Expandir a Pesquisa)
based snow » based snp (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
cash new » crash new (Expandir a Pesquisa), ash new (Expandir a Pesquisa), rash new (Expandir a Pesquisa)
j nadal » de nadal (Expandir a Pesquisa)
j vhdl » _ vhdl (Expandir a Pesquisa), a vhdl (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": "(((( j nadal compared can near ) OR ( j a claims cash new ))) OR ( j vhdl computer based snow ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nadal compared can near ) OR ( j a claims cash new ))) OR ( j vhdl computer based snow ))*.