Talvez deva tentar algumas variações de ortografia:
tail complex » oil complex (Expandir a Pesquisa), atrial complex (Expandir a Pesquisa), basal complex (Expandir a Pesquisa)
complex can » complex case (Expandir a Pesquisa), complex care (Expandir a Pesquisa), complex cancer (Expandir a Pesquisa)
nay clamp » a clamp (Expandir a Pesquisa), aaa clamp (Expandir a Pesquisa), can clamp (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)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
3 tail » h3 tail (Expandir a Pesquisa), _ tail (Expandir a Pesquisa), a tail (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
co can » co canal (Expandir a Pesquisa), co chain (Expandir a Pesquisa)
a neta » a neto (Expandir a Pesquisa), a nectar (Expandir a Pesquisa)
_ nay » _ nayf (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: (((( 3 tail complex can ngoc ) OR ( 3 nacl co can ngoc ))) OR ( _ nay clamp a neta ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 3 tail complex can ngoc ) or ( 3 nacl co can ngoc ))) or ( _ nay clamp a neta ))*.