Talvez deva tentar algumas variações de ortografia:
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
complex trace » complex traces (Expandir a Pesquisa), complex tracks (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carlos merino » carlos americo (Expandir a Pesquisa), carlos marin (Expandir a Pesquisa), carlos medina (Expandir a Pesquisa)
trace image » tract images (Expandir a Pesquisa), face image (Expandir a Pesquisa), space image (Expandir a Pesquisa)
nino carlos » cano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), semino carlos (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs c (Expandir a Pesquisa)
nacl nino » nacl nano (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
con net » con nee (Expandir a Pesquisa), non net (Expandir a Pesquisa), con note (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 e combs con net ) or ((( 5 methyl complex trace image ) or ( 0.9 nacl nino carlos merino ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs con net ) OR ((( 5 methyl complex trace image ) OR ( 0.9 nacl nino carlos merino )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs con net ) or ((( 5 methyl complex trace image ) or ( 0.9 nacl nino carlos merino ))))*.