Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
beads compared » beams compared (Expandir a Pesquisa), beans compared (Expandir a Pesquisa), beats compared (Expandir a Pesquisa)
naga compared » data compared (Expandir a Pesquisa), yoga compared (Expandir a Pesquisa), aa compared (Expandir a Pesquisa)
nat computer » cat computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
i beads » _ beads (Expandir a Pesquisa), i beams (Expandir a Pesquisa), a beads (Expandir a Pesquisa)
j naga » _ naga (Expandir a Pesquisa), j nava (Expandir a Pesquisa), j nagy (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (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: (( e nat computer based non ) or ((( i beads compared can new ) or ( j naga compared _ non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( e nat computer based non ) OR ((( i beads compared can new ) OR ( j naga compared _ non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( e nat computer based non ) or ((( i beads compared can new ) or ( j naga compared _ non ))))*.