Talvez deva tentar algumas variações de ortografia:
tunis computer » studies computer (Expandir a Pesquisa), tetris computer (Expandir a Pesquisa), things computer (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
cam computer » beam computer (Expandir a Pesquisa), um computer (Expandir a Pesquisa), uym computer (Expandir a Pesquisa)
computer dan » komputer dan (Expandir a Pesquisa), computer data (Expandir a Pesquisa), computech dan (Expandir a Pesquisa)
based snow » based snp (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
de tunis » de tuneis (Expandir a Pesquisa), de tunes (Expandir a Pesquisa), de tunisie (Expandir a Pesquisa)
dan non » than non (Expandir a Pesquisa), dan ning (Expandir a Pesquisa)
a cam » a cat (Expandir a Pesquisa), _ cam (Expandir a Pesquisa), a ca2 (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: (((( a cam computer based snow ) or ( de tunis computer dan non ))) or ( m nacl compared a new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a cam computer based snow ) OR ( de tunis computer dan non ))) OR ( m nacl compared a new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a cam computer based snow ) or ( de tunis computer dan non ))) or ( m nacl compared a new ))*.