Talvez deva tentar algumas variações de ortografia:
snails complex » snail complex (Expandir a Pesquisa), snail1 complex (Expandir a Pesquisa), nail complex (Expandir a Pesquisa)
level compared » levels compared (Expandir a Pesquisa), model compared (Expandir a Pesquisa), level comparison (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
complex van » complex vapb (Expandir a Pesquisa), complex via (Expandir a Pesquisa), complex v (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
_ snails » _ snail (Expandir a Pesquisa), _ snakes (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
j level » j levell (Expandir a Pesquisa), j levels (Expandir a Pesquisa), j levelt (Expandir a Pesquisa)
l comp » l comps (Expandir a Pesquisa), l como (Expandir a Pesquisa), l comper (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 l comp can new ) OR ( _ snails complex van ngoc ))) OR ( j level compared can new ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j l comp can new ) or ( _ snails complex van ngoc ))) or ( j level compared can new ))*.