Talvez deva tentar algumas variações de ortografia:
held computers » held computer (Expandir a Pesquisa), handheld computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
oils compared » oil compared (Expandir a Pesquisa), models compared (Expandir a Pesquisa), trials compared (Expandir a Pesquisa)
day compared » days compared (Expandir a Pesquisa), daily compared (Expandir a Pesquisa), stay compared (Expandir a Pesquisa)
compared law » compared can (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa)
a held » a head (Expandir a Pesquisa)
j day » _ day (Expandir a Pesquisa), a day (Expandir a Pesquisa), 7 day (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: (( a held computers can non ) or ((( _ oils compared a new ) or ( j day compared law non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a held computers can non ) OR ((( _ oils compared a new ) OR ( j day compared law non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a held computers can non ) or ((( _ oils compared a new ) or ( j day compared law non ))))*.