Talvez deva tentar algumas variações de ortografia:
nacl compr » nacl compared (Expandir a Pesquisa), nacl complex (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
nat camp » fat camp (Expandir a Pesquisa), a camp (Expandir a Pesquisa), cpt camp (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa)
l compr » l comper (Expandir a Pesquisa), la compr (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
can net » can next (Expandir a Pesquisa), dan net (Expandir a Pesquisa), can nut (Expandir a Pesquisa)
can nt » can nfat (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), a nacl (Expandir a Pesquisa)
_ nat » _ net (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j l compr ((can net) OR (can nt)) ) OR ( _ nat camp can near ))) OR ( 3 nacl compr can new ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j l compr ((can net) OR (can nt)) ) or ( _ nat camp can near ))) or ( 3 nacl compr can new ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j l compr ((can net) OR (can nt)) ) or ( _ nat camp can near ))) or ( 3 nacl compr can new ))*.