Talvez deva tentar algumas variações de ortografia:
cat computer » cost computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
act compared » ct compared (Expandir a Pesquisa), pet compared (Expandir a Pesquisa), fat compared (Expandir a Pesquisa)
computer la » computer lab (Expandir a Pesquisa), computer law (Expandir a Pesquisa), computer lag (Expandir a Pesquisa)
nat camp » fat camp (Expandir a Pesquisa), a camp (Expandir a Pesquisa), ac camp (Expandir a Pesquisa)
camp cla » camp ca (Expandir a Pesquisa), camp clin (Expandir a Pesquisa), camp alba (Expandir a Pesquisa)
cla ngoc » cua ngoc (Expandir a Pesquisa), chau ngoc (Expandir a Pesquisa), le ngoc (Expandir a Pesquisa)
la ngoc » lam ngoc (Expandir a Pesquisa), le ngoc (Expandir a Pesquisa), ha ngoc (Expandir a Pesquisa)
2 cat » 2 cats (Expandir a Pesquisa), 2 cat2 (Expandir a Pesquisa), _ cat (Expandir a Pesquisa)
_ nat » _ net (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (Expandir a Pesquisa)
j act » _ act (Expandir a Pesquisa), 1 act (Expandir a Pesquisa), 3 act (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: (((( 2 cat computer la ngoc ) or ( _ nat camp cla ngoc ))) or ( j act compared _ netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( 2 cat computer la ngoc ) OR ( _ nat camp cla ngoc ))) OR ( j act compared _ netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 2 cat computer la ngoc ) or ( _ nat camp cla ngoc ))) or ( j act compared _ netw ))*.