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 than » complex trait (Expandir a Pesquisa)
cano carlos » luciano carlos (Expandir a Pesquisa), casiano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa)
carlos nada » carlos nadaf (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs cody (Expandir a Pesquisa)
than ngoc » thanh ngoc (Expandir a Pesquisa), thuan ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
con need » con nee (Expandir a Pesquisa), non need (Expandir a Pesquisa), colon need (Expandir a Pesquisa)
nac cano » c cano (Expandir a Pesquisa), ac can (Expandir a Pesquisa), dac can (Expandir a Pesquisa)
7.2 nac » 7.2 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 _ combs con need ) OR ((( 5 methyl complex than ngoc ) OR ( 7.2 nac cano carlos nada ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j _ combs con need ) OR ((( 5 methyl complex than ngoc ) OR ( 7.2 nac cano carlos nada ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs con need ) OR ((( 5 methyl complex than ngoc ) OR ( 7.2 nac cano carlos nada ))))*.