Talvez deva tentar algumas variações de ortografia:
cast compared » cases compared (Expandir a Pesquisa), test compared (Expandir a Pesquisa), ct compared (Expandir a Pesquisa)
cost compared » costs compared (Expandir a Pesquisa), test compared (Expandir a Pesquisa), ct compared (Expandir a Pesquisa)
nad computer » cad computer (Expandir a Pesquisa), need computer (Expandir a Pesquisa), head computer (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
c cast » c case (Expandir a Pesquisa), c caat (Expandir a Pesquisa), c cas9 (Expandir a Pesquisa)
a ngoc » ha ngoc (Expandir a Pesquisa), ta ngoc (Expandir a Pesquisa), la ngoc (Expandir a Pesquisa)
c cost » c costa (Expandir a Pesquisa), c costi (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 cast compared a ngoc ) OR ( c cost compared a ngoc ))) or ( _ nad computer can netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( c cast compared a ngoc ) OR ( c cost compared a ngoc ))) OR ( _ nad computer can netw )).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( c cast compared a ngoc ) OR ( c cost compared a ngoc ))) or ( _ nad computer can netw ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( c cast compared a ngoc ) OR ( c cost compared a ngoc ))) or ( _ nad computer can netw ))*.