Talvez deva tentar algumas variações de ortografia:
metil complex » metal complex (Expandir a Pesquisa), metals complex (Expandir a Pesquisa), met complex (Expandir a Pesquisa)
complex task » complex trait (Expandir a Pesquisa), complex than (Expandir a Pesquisa)
carlos nunes » carlos nunez (Expandir a Pesquisa), santos nunes (Expandir a Pesquisa)
knot carlos » knopf carlos (Expandir a Pesquisa), enout carlos (Expandir a Pesquisa), knecht carlos (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
john reetu » john reena (Expandir a Pesquisa), john reed (Expandir a Pesquisa), john renu (Expandir a Pesquisa)
task ngoc » task non (Expandir a Pesquisa)
nac knot » nara knot (Expandir a Pesquisa), nice knot (Expandir a Pesquisa), a knot (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)
3.5 nac » 3.5 nacl (Expandir a Pesquisa), 7.5 nacl (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 john reetu ) or ((( 5 metil complex task ngoc ) or ( 3.5 nac knot carlos nunes ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs john reetu ) OR ((( 5 metil complex task ngoc ) OR ( 3.5 nac knot carlos nunes )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs john reetu ) or ((( 5 metil complex task ngoc ) or ( 3.5 nac knot carlos nunes ))))*.