Talvez deva tentar algumas variações de ortografia:
complex than » complex trait (Expandir a Pesquisa)
nail complex » snail complex (Expandir a Pesquisa), tail complex (Expandir a Pesquisa), snail1 complex (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
natl comp » al comp (Expandir a Pesquisa), natalia comp (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can now (Expandir a Pesquisa)
abts amp » arts amp (Expandir a Pesquisa), aims amp (Expandir a Pesquisa), nots amp (Expandir a Pesquisa)
amp can » amp camp (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nat (Expandir a Pesquisa), j natali (Expandir a Pesquisa)
j abts » _ abts (Expandir a Pesquisa)
j nail » a nail (Expandir a Pesquisa), 3 nail (Expandir a Pesquisa), 5 nail (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 natl comp can netw ) OR ( j abts amp can newts ))) OR ( j nail complex than non ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl comp can netw ) or ( j abts amp can newts ))) or ( j nail complex than non ))*.