Talvez deva tentar algumas variações de ortografia:
held computers » held computer (Expandir a Pesquisa), handheld computers (Expandir a Pesquisa)
daily compared » early compared (Expandir a Pesquisa), elderly compared (Expandir a Pesquisa)
gel companies » fuel companies (Expandir a Pesquisa), oil companies (Expandir a Pesquisa), eu companies (Expandir a Pesquisa)
companies gut » companies cut (Expandir a Pesquisa), companies act (Expandir a Pesquisa), companies bet (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
gut now » gut non (Expandir a Pesquisa), gut new (Expandir a Pesquisa)
a non » _ non (Expandir a Pesquisa)
j gel » j gelb (Expandir a Pesquisa), j gerl (Expandir a Pesquisa), _ gel (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: (( _ held computers a non ) or ((( j gel companies gut now ) or ( _ daily compared a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ held computers a non ) OR ((( j gel companies gut now ) OR ( _ daily compared a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ held computers a non ) or ((( j gel companies gut now ) or ( _ daily compared a new ))))*.