Talvez deva tentar algumas variações de ortografia:
apart comparing » art comparing (Expandir a Pesquisa), report comparing (Expandir a Pesquisa), charts comparing (Expandir a Pesquisa)
small computers » small computer (Expandir a Pesquisa)
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparing climate (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
2 computer » _ computer (Expandir a Pesquisa), a computer (Expandir a Pesquisa), 3d computer (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (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 small computers can now ) or ( j 2 computer a new ))) or ( _ apart comparing case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a small computers can now ) OR ( j 2 computer a new ))) OR ( _ apart comparing case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a small computers can now ) or ( j 2 computer a new ))) or ( _ apart comparing case now ))*.