Talvez deva tentar algumas variações de ortografia:
natal compared » data compared (Expandir a Pesquisa), nacl compared (Expandir a Pesquisa), fetal compared (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
nat camp » fat camp (Expandir a Pesquisa), cpt camp (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can now (Expandir a Pesquisa)
_ natal » _ natural (Expandir a Pesquisa)
j vhdl » _ vhdl (Expandir a Pesquisa), a vhdl (Expandir a Pesquisa)
a nowe » a node (Expandir a Pesquisa), i nowe (Expandir a Pesquisa), ann nowe (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 camp can netw ) or ((( j vhdl computer a non ) or ( _ natal compared a nowe ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ nat camp can netw ) OR ((( j vhdl computer a non ) OR ( _ natal compared a nowe )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ nat camp can netw ) or ((( j vhdl computer a non ) or ( _ natal compared a nowe ))))*.