Talvez deva tentar algumas variações de ortografia:
local computer » novel computer (Expandir a Pesquisa), medical computer (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
case non » cause non (Expandir a Pesquisa), case note (Expandir a Pesquisa), use non (Expandir a Pesquisa)
c clamp » _ clamp (Expandir a Pesquisa)
j nacl » m nacl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), b nacl (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j nacl compared can near ) OR ( j c clamp can newts ))) OR ( _ local computer case non ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nacl compared can near ) OR ( j c clamp can newts ))) OR ( _ local computer case non ))*.