Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
daily compare » daily compared (Expandir a Pesquisa), rapidly compare (Expandir a Pesquisa), daily computer (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
compare a » compare _ (Expandir a Pesquisa)
i vhdl » _ vhdl (Expandir a Pesquisa), a vhdl (Expandir a Pesquisa)
j nacl » _ nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa), a nacl (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), _ now (Expandir a Pesquisa), a nos (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: (( i vhdl computer based now ) or ((( j nacl compared a now ) or ( _ daily compare a non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i vhdl computer based now ) OR ((( j nacl compared a now ) OR ( _ daily compare a non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i vhdl computer based now ) or ((( j nacl compared a now ) or ( _ daily compare a non ))))*.