Talvez deva tentar algumas variações de ortografia:
snails complex » snail complex (Expandir a Pesquisa), snail1 complex (Expandir a Pesquisa), nail complex (Expandir a Pesquisa)
complex cell » complex cells (Expandir a Pesquisa), complex case (Expandir a Pesquisa), complex care (Expandir a Pesquisa)
nacl complex » nac56 complex (Expandir a Pesquisa), wall complex (Expandir a Pesquisa), caml complex (Expandir a Pesquisa)
natl clamp » tail clamp (Expandir a Pesquisa)
clamp far » clamp ar (Expandir a Pesquisa), clamp a (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
far near » farm near (Expandir a Pesquisa), ar near (Expandir a Pesquisa), sar near (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
_ natl » _ natal (Expandir a Pesquisa), _ nat'l (Expandir a Pesquisa), _ nato (Expandir a Pesquisa)
nest » net (Expandir a Pesquisa), next (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( _ snails complex cell nest ) or ( 3 nacl complex cell nest ))) or ( _ natl clamp far near ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ snails complex cell nest ) OR ( 3 nacl complex cell nest ))) OR ( _ natl clamp far near )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ snails complex cell nest ) or ( 3 nacl complex cell nest ))) or ( _ natl clamp far near ))*.