Talvez deva tentar algumas variações de ortografia:
first comparison » direct comparison (Expandir a Pesquisa), cost comparison (Expandir a Pesquisa), test comparison (Expandir a Pesquisa)
comparison care » comparison case (Expandir a Pesquisa), comparison cure (Expandir a Pesquisa), comparison cam (Expandir a Pesquisa)
says computers » cars computers (Expandir a Pesquisa), small computers (Expandir a Pesquisa), bases 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)
13 first » 1 first (Expandir a Pesquisa), 19 first (Expandir a Pesquisa), 11 first (Expandir a Pesquisa)
care non » rare non (Expandir a Pesquisa), care now (Expandir a Pesquisa), care new (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), a nos (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: (((( _ says computers _ now ) or ( 3 2 computer a now ))) or ( 13 first comparison care non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ says computers _ now ) OR ( 3 2 computer a now ))) OR ( 13 first comparison care non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ says computers _ now ) or ( 3 2 computer a now ))) or ( 13 first comparison care non ))*.