Talvez deva tentar algumas variações de ortografia:
head computers » held computers (Expandir a Pesquisa), head computer (Expandir a Pesquisa), head computed (Expandir a Pesquisa)
cost computer » joint computer (Expandir a Pesquisa), about computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
las compared » gas compared (Expandir a Pesquisa), laser compared (Expandir a Pesquisa), fleas compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
a newts » _ newts (Expandir a Pesquisa), a news (Expandir a Pesquisa), a newt (Expandir a Pesquisa)
j cost » j costa (Expandir a Pesquisa), j coast (Expandir a Pesquisa), j colt (Expandir a Pesquisa)
a netb » a neto (Expandir a Pesquisa), _ netb (Expandir a Pesquisa), a neta (Expandir a Pesquisa)
e las » y las (Expandir a Pesquisa), a las (Expandir a Pesquisa), _ las (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 las compared a newts ) or ((( j cost computer a netb ) or ( _ head computers _ netw ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( e las compared a newts ) OR ((( j cost computer a netb ) OR ( _ head computers _ netw )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( e las compared a newts ) or ((( j cost computer a netb ) or ( _ head computers _ netw ))))*.