Talvez deva tentar algumas variações de ortografia:
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
complex hoang » complex hand (Expandir a Pesquisa), complex housing (Expandir a Pesquisa), complex holding (Expandir a Pesquisa)
nino carlos » cano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), semino carlos (Expandir a Pesquisa)
carlos now » carlos noa (Expandir a Pesquisa), carlos noe (Expandir a Pesquisa), carlos novo (Expandir a Pesquisa)
combs jan » coombs jana (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs j (Expandir a Pesquisa)
nacl nino » nacl nano (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
jan nel » jan noel (Expandir a Pesquisa), jan nelis (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 e combs jan nel ) OR ((( 5 methyl complex hoang ngoc ) OR ( 3.5 nacl nino carlos now ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j e combs jan nel ) OR ((( 5 methyl complex hoang ngoc ) OR ( 3.5 nacl nino carlos now ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs jan nel ) OR ((( 5 methyl complex hoang ngoc ) OR ( 3.5 nacl nino carlos now ))))*.