Talvez deva tentar algumas variações de ortografia:
comparing close » comparing dose (Expandir a Pesquisa), comparing case (Expandir a Pesquisa), comparing choice (Expandir a Pesquisa)
narp comparing » larsp comparing (Expandir a Pesquisa), gap comparing (Expandir a Pesquisa), apart comparing (Expandir a Pesquisa)
nacl compared » acl compared (Expandir a Pesquisa), small compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
close new » closure new (Expandir a Pesquisa), close e (Expandir a Pesquisa), close n (Expandir a Pesquisa)
nab clamp » dnan clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
con nacl » por nacl (Expandir a Pesquisa)
can net » can next (Expandir a Pesquisa), dan net (Expandir a Pesquisa), can nt (Expandir a Pesquisa)
c narp » _ narp (Expandir a Pesquisa), c napp (Expandir a Pesquisa), c nar (Expandir a Pesquisa)
_ nab » _ nad (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: (((( con nacl compared can new ) OR ( c narp comparing close new ))) OR ( _ nab clamp can net ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( con nacl compared can new ) OR ( c narp comparing close new ))) OR ( _ nab clamp can net ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( con nacl compared can new ) OR ( c narp comparing close new ))) OR ( _ nab clamp can net ))*.