Talvez deva tentar algumas variações de ortografia:
tetris computer » ethics computer (Expandir a Pesquisa), pelvis computer (Expandir a Pesquisa), tests computer (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
nail computer » daily computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa), il computer (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
a tetris » _ tetris (Expandir a Pesquisa), a teatrise (Expandir a Pesquisa), a tetrakis (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j nail » _ nail (Expandir a Pesquisa), a nail (Expandir a Pesquisa), 3 nail (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 nail computer based now ) or ( a tetris computer can now ))) or ( m nacl compared _ now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nail computer based now ) OR ( a tetris computer can now ))) OR ( m nacl compared _ now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nail computer based now ) or ( a tetris computer can now ))) or ( m nacl compared _ now ))*.