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 kosera » carlos morera (Expandir a Pesquisa), carlos coser (Expandir a Pesquisa), carlos lopera (Expandir a Pesquisa)
complex tail » complex task (Expandir a Pesquisa), complex thin (Expandir a Pesquisa), complex tap (Expandir a Pesquisa)
colin note » con note (Expandir a Pesquisa), colin noyale (Expandir a Pesquisa), colin nogues (Expandir a Pesquisa)
kno carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), pino carlos (Expandir a Pesquisa)
tail ngoc » tai ngoc (Expandir a Pesquisa), tail non (Expandir a Pesquisa)
nacl kno » nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa), nacl kcl (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 colin note ) OR ((( 5 metil complex tail ngoc ) OR ( 3.5 nacl kno carlos kosera ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs colin note ) OR ((( 5 metil complex tail ngoc ) OR ( 3.5 nacl kno carlos kosera ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs colin note ) OR ((( 5 metil complex tail ngoc ) OR ( 3.5 nacl kno carlos kosera ))))*.