Talvez deva tentar algumas variações de ortografia:
cancer computed » cancer compared (Expandir a Pesquisa), cancer combined (Expandir a Pesquisa), after computed (Expandir a Pesquisa)
can computers » can computer (Expandir a Pesquisa), than computers (Expandir a Pesquisa), can computed (Expandir a Pesquisa)
computer code » computer model (Expandir a Pesquisa), computer models (Expandir a Pesquisa), computer crime (Expandir a Pesquisa)
computed dan » computech dan (Expandir a Pesquisa), computed pain (Expandir a Pesquisa), computed brain (Expandir a Pesquisa)
a computer » _ computer (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), j candel (Expandir a Pesquisa)
code new » codes new (Expandir a Pesquisa), code net (Expandir a Pesquisa), code nec2 (Expandir a Pesquisa)
dan non » than non (Expandir a Pesquisa), dan ning (Expandir a Pesquisa)
i can » _ can (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i can computers _ now ) OR ( j cancer computed dan non ))) OR ( j a computer code new ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i can computers _ now ) or ( j cancer computed dan non ))) or ( j a computer code new ))*.