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)
knot carlos » knopf carlos (Expandir a Pesquisa), enout carlos (Expandir a Pesquisa), knecht carlos (Expandir a Pesquisa)
comes icon » comes can (Expandir a Pesquisa), comes second (Expandir a Pesquisa)
nacl knot » nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa), nacl npt (Expandir a Pesquisa)
icon new » bacon new (Expandir a Pesquisa), oxon new (Expandir a Pesquisa), icon fes (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
l comes » l comps (Expandir a Pesquisa), l coles (Expandir a Pesquisa), l comas (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 comes icon new ) OR ((( 5 methyl complex tran ngoc ) OR ( 3.5 nacl knot carlos zavala ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l comes icon new ) OR ((( 5 methyl complex tran ngoc ) OR ( 3.5 nacl knot carlos zavala ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comes icon new ) OR ((( 5 methyl complex tran ngoc ) OR ( 3.5 nacl knot carlos zavala ))))*.