Talvez deva tentar algumas variações de ortografia:
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
carlos zavala » carlos ayala (Expandir a Pesquisa), carlos zapata (Expandir a Pesquisa), cortes zavala (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
combs bacon » com bacon (Expandir a Pesquisa), combs jason (Expandir a Pesquisa), combs brandon (Expandir a Pesquisa)
kuhl carlos » riehl carlos (Expandir a Pesquisa), diehl carlos (Expandir a Pesquisa)
bacon neil » deacon neil (Expandir a Pesquisa), bacon new (Expandir a Pesquisa)
nacl kuhl » nacl kcl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (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 l combs bacon neil ) or ((( 5 methyl complex tran ngoc ) or ( 0.9 nacl kuhl carlos zavala ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs bacon neil ) OR ((( 5 methyl complex tran ngoc ) OR ( 0.9 nacl kuhl carlos zavala )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs bacon neil ) or ((( 5 methyl complex tran ngoc ) or ( 0.9 nacl kuhl carlos zavala ))))*.