Talvez deva tentar algumas variações de ortografia:
acm computer » a computer (Expandir a Pesquisa), um computer (Expandir a Pesquisa), uym computer (Expandir a Pesquisa)
nail complex » snail complex (Expandir a Pesquisa), tail complex (Expandir a Pesquisa), snail1 complex (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
complex can » complex case (Expandir a Pesquisa), complex care (Expandir a Pesquisa), complex cancer (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), cao ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
nacl co » nacl co2 (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa)
3 nail » _ nail (Expandir a Pesquisa), a nail (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
co can » co canal (Expandir a Pesquisa), co chain (Expandir a Pesquisa)
_ acm » _ acmg (Expandir a Pesquisa), _ act (Expandir a Pesquisa), _ ace (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: (((( 3 nail complex can ngoc ) or ( 3.5 nacl co can ngoc ))) or ( _ acm computer can ngoc ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( 3 nail complex can ngoc ) OR ( 3.5 nacl co can ngoc ))) OR ( _ acm computer can ngoc )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 3 nail complex can ngoc ) or ( 3.5 nacl co can ngoc ))) or ( _ acm computer can ngoc ))*.