Talvez deva tentar algumas variações de ortografia:
costs compared » cost compared (Expandir a Pesquisa), counts compared (Expandir a Pesquisa), tests compared (Expandir a Pesquisa)
case compared » cases compared (Expandir a Pesquisa), care compared (Expandir a Pesquisa), cast compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
compared van » compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa), compared over (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
can ngoc » tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
c costs » _ costs (Expandir a Pesquisa), c costa (Expandir a Pesquisa), a costs (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
_ ut » _ gut (Expandir a Pesquisa), _ out (Expandir a Pesquisa), _ cut (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: (((( c case compared can ngoc ) or ( c costs compared van ngoc ))) or ( _ ut computer a netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( c case compared can ngoc ) OR ( c costs compared van ngoc ))) OR ( _ ut computer a netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( c case compared can ngoc ) or ( c costs compared van ngoc ))) or ( _ ut computer a netw ))*.