Talvez deva tentar algumas variações de ortografia:
natlion compared » motion compared (Expandir a Pesquisa), action compared (Expandir a Pesquisa), option compared (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
_ natlion » _ nation (Expandir a Pesquisa), _ nations (Expandir a Pesquisa), _ natron (Expandir a Pesquisa)
nat comp » et comp (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
j vhdl » _ vhdl (Expandir a Pesquisa), a vhdl (Expandir a Pesquisa)
a non » _ non (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: (( _ nat comp can netw ) or ((( j vhdl computer case now ) or ( _ natlion compared a non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ nat comp can netw ) OR ((( j vhdl computer case now ) OR ( _ natlion compared a non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ nat comp can netw ) or ((( j vhdl computer case now ) or ( _ natlion compared a non ))))*.