Talvez deva tentar algumas variações de ortografia:
snake complex » snare complex (Expandir a Pesquisa), spike complex (Expandir a Pesquisa), lake complex (Expandir a Pesquisa)
complex cause » complex causes (Expandir a Pesquisa), complex care (Expandir a Pesquisa), complex cases (Expandir a Pesquisa)
nail complex » snail complex (Expandir a Pesquisa), tail complex (Expandir a Pesquisa), snail1 complex (Expandir a Pesquisa)
cause non » causes non (Expandir a Pesquisa)
nat clamp » dnan clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
3 snake » 13 snake (Expandir a Pesquisa), _ snake (Expandir a Pesquisa), a snake (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (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.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( 3 snake complex case new ) OR ( _ nail complex cause non ))) OR ( j nat clamp a netw ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 3 snake complex case new ) or ( _ nail complex cause non ))) or ( j nat clamp a netw ))*.