Talvez deva tentar algumas variações de ortografia:
computer costs » computer codes (Expandir a Pesquisa), computer tests (Expandir a Pesquisa), computer courses (Expandir a Pesquisa)
colt computer » cost computer (Expandir a Pesquisa), color computer (Expandir a Pesquisa), cat computer (Expandir a Pesquisa)
rats compared » rates compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
costs new » hosts new (Expandir a Pesquisa), tests new (Expandir a Pesquisa)
yal amp » al amp (Expandir a Pesquisa), dall amp (Expandir a Pesquisa), eyal ami (Expandir a Pesquisa)
amp can » amp camp (Expandir a Pesquisa)
j colt » j colet (Expandir a Pesquisa), j cole (Expandir a Pesquisa), j cola (Expandir a Pesquisa)
j rats » j rath (Expandir a Pesquisa), j raes (Expandir a Pesquisa), rij rats (Expandir a Pesquisa)
j yal » j al (Expandir a Pesquisa), j yan (Expandir a Pesquisa), j yao (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: (((( j yal amp can new ) OR ( j colt computer costs new ))) OR ( j rats compared can new ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j yal amp can new ) or ( j colt computer costs new ))) or ( j rats compared can new ))*.