Talvez deva tentar algumas variações de ortografia:
computer caries » computer crimes (Expandir a Pesquisa), computer classes (Expandir a Pesquisa), computer courses (Expandir a Pesquisa)
cost computer » joint computer (Expandir a Pesquisa), about computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
natl company » nail company (Expandir a Pesquisa), date company (Expandir a Pesquisa), rail company (Expandir a Pesquisa)
rat compared » rats compared (Expandir a Pesquisa), rate compared (Expandir a Pesquisa), fat compared (Expandir a Pesquisa)
caries now » caries new (Expandir a Pesquisa), caries con (Expandir a Pesquisa), caries do (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
town non » own non (Expandir a Pesquisa), known non (Expandir a Pesquisa), town gown (Expandir a Pesquisa)
j cost » j costa (Expandir a Pesquisa), j coast (Expandir a Pesquisa), j colt (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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 cost computer caries now ) or ( j natl company town non ))) or ( _ rat compared a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cost computer caries now ) OR ( j natl company town non ))) OR ( _ rat compared a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cost computer caries now ) or ( j natl company town non ))) or ( _ rat compared a now ))*.