Talvez deva tentar algumas variações de ortografia:
patch comparing » patch comparison (Expandir a Pesquisa), speech comparing (Expandir a Pesquisa), death comparing (Expandir a Pesquisa)
natl computers » small computers (Expandir a Pesquisa), panel computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa)
comparing case » comparing care (Expandir a Pesquisa), comparing close (Expandir a Pesquisa), comparing cancer (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
computer can » computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa), computer code (Expandir a Pesquisa)
2 computer » _ computer (Expandir a Pesquisa), a computer (Expandir a Pesquisa), 3d 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)
j patch » j paech (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: (((( _ natl computers can now ) or ( 3 2 computer can now ))) or ( j patch comparing case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ natl computers can now ) OR ( 3 2 computer can now ))) OR ( j patch comparing case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ natl computers can now ) or ( 3 2 computer can now ))) or ( j patch comparing case now ))*.