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 tail » complex trait (Expandir a Pesquisa), complex task (Expandir a Pesquisa), complex thin (Expandir a Pesquisa)
carlos nocek » carlos nojek (Expandir a Pesquisa), carlos noceda (Expandir a Pesquisa), carlos nick (Expandir a Pesquisa)
have carlos » chavez carlos (Expandir a Pesquisa), chaves carlos (Expandir a Pesquisa), harle carlos (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
john neena » jain neena (Expandir a Pesquisa)
tail ngoc » tai ngoc (Expandir a Pesquisa), tail non (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)
nacl » natl (Expandir a Pesquisa), nac (Expandir a Pesquisa), nucl (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 neena ) or ((( 5 metil complex tail ngoc ) or ( 0.9 nacl have carlos nocek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs john neena ) OR ((( 5 metil complex tail ngoc ) OR ( 0.9 nacl have carlos nocek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs john neena ) or ((( 5 metil complex tail ngoc ) or ( 0.9 nacl have carlos nocek ))))*.