Talvez deva tentar algumas variações de ortografia:
metil complex » metal complex (Expandir a Pesquisa), metals complex (Expandir a Pesquisa), met complex (Expandir a Pesquisa)
carlos zavala » carlos ayala (Expandir a Pesquisa), carlos zapata (Expandir a Pesquisa), cortes zavala (Expandir a Pesquisa)
complex trad » complex trait (Expandir a Pesquisa), complex trans (Expandir a Pesquisa), complex trial (Expandir a Pesquisa)
knot carlos » knopf carlos (Expandir a Pesquisa), enout carlos (Expandir a Pesquisa), knecht carlos (Expandir a Pesquisa)
trad ngoc » tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa), trang ngoc (Expandir a Pesquisa)
nucl knot » nacl kno (Expandir a Pesquisa), nice knot (Expandir a Pesquisa)
3.5 nucl » 3.5 nacl (Expandir a Pesquisa), 34.5 null (Expandir a Pesquisa), 3 nucl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
5 metil » 5 methyl (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's new ) or ((( 5 metil complex trad ngoc ) or ( 3.5 nucl knot carlos zavala ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs bacon's new ) OR ((( 5 metil complex trad ngoc ) OR ( 3.5 nucl knot carlos zavala )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs bacon's new ) or ((( 5 metil complex trad ngoc ) or ( 3.5 nucl knot carlos zavala ))))*.