Talvez deva tentar algumas variações de ortografia:
panel computers » panel computer (Expandir a Pesquisa), panel computed (Expandir a Pesquisa), can computers (Expandir a Pesquisa)
computer model » computer modeling (Expandir a Pesquisa), computer modelling (Expandir a Pesquisa)
unio compared » unit compared (Expandir a Pesquisa), units compared (Expandir a Pesquisa), unique compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
model noir » model noise (Expandir a Pesquisa), model non (Expandir a Pesquisa), del noir (Expandir a Pesquisa)
j panel » j panek (Expandir a Pesquisa), j pagel (Expandir a Pesquisa), j panei (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
a vhdl » _ vhdl (Expandir a Pesquisa), a vhl (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 panel computers _ now ) or ( a vhdl computer model noir ))) or ( j unio compared can now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j panel computers _ now ) OR ( a vhdl computer model noir ))) OR ( j unio compared can now ))*.