Talvez deva tentar algumas variações de ortografia:
tail complex » oil complex (Expandir a Pesquisa), atrial complex (Expandir a Pesquisa), basal complex (Expandir a Pesquisa)
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 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)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
can netw » can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can now (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a nat (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": "(((( 3 nacl compr can new ) OR ( _ tail complex case new ))) OR ( j nat clamp can netw ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 3 nacl compr can new ) OR ( _ tail complex case new ))) OR ( j nat clamp can netw ))*.