Talvez deva tentar algumas variações de ortografia:
complex trait » complex traits (Expandir a Pesquisa)
metil complex » metal complex (Expandir a Pesquisa), metals complex (Expandir a Pesquisa), met complex (Expandir a Pesquisa)
carlos rojek » carlos nojek (Expandir a Pesquisa), carlos rojas (Expandir a Pesquisa), carlos roger (Expandir a Pesquisa)
cano carlos » luciano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), solano carlos (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), combes john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa)
john asnet » john agnew (Expandir a Pesquisa), john asger (Expandir a Pesquisa), john agnes (Expandir a Pesquisa)
trait ngo » trait co (Expandir a Pesquisa)
nacl cano » nacl nano (Expandir a Pesquisa), nacl caso4 (Expandir a Pesquisa), nacl cacl (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 _ combs john asnet ) OR ((( 5 metil complex trait ngo ) OR ( 3.5 nacl cano carlos rojek ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j _ combs john asnet ) OR ((( 5 metil complex trait ngo ) OR ( 3.5 nacl cano carlos rojek ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs john asnet ) OR ((( 5 metil complex trait ngo ) OR ( 3.5 nacl cano carlos rojek ))))*.