Talvez deva tentar algumas variações de ortografia:
complex leads » complex levels (Expandir a Pesquisa), complex lipids (Expandir a Pesquisa), complex loaded (Expandir a Pesquisa)
anal complex » analog complex (Expandir a Pesquisa), animal complex (Expandir a Pesquisa), faunal complex (Expandir a Pesquisa)
chen carlos » chan carlos (Expandir a Pesquisa), chen carol (Expandir a Pesquisa), jaen carlos (Expandir a Pesquisa)
carlos none » carlos noe (Expandir a Pesquisa), carlos nunez (Expandir a Pesquisa), carlos nunes (Expandir a Pesquisa)
nacl chen » nacl en (Expandir a Pesquisa), nacl thin (Expandir a Pesquisa)
combs ca » combs c (Expandir a Pesquisa), combs a (Expandir a Pesquisa), combs jan (Expandir a Pesquisa)
via anal » via canal (Expandir a Pesquisa), via analog (Expandir a Pesquisa), via anodal (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
ca new » la new (Expandir a Pesquisa), ca net (Expandir a Pesquisa), aa new (Expandir a Pesquisa)
ngoc » ngo (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: (( j _ combs ca new ) or ((( via anal complex leads ngoc ) or ( 7.5 nacl chen carlos none ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs ca new ) OR ((( via anal complex leads ngoc ) OR ( 7.5 nacl chen carlos none )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs ca new ) or ((( via anal complex leads ngoc ) or ( 7.5 nacl chen carlos none ))))*.