Talvez deva tentar algumas variações de ortografia:
complex trait » complex traits (Expandir a Pesquisa)
metal complex » metal complexes (Expandir a Pesquisa)
combs coli » combs colin (Expandir a Pesquisa), combe colin (Expandir a Pesquisa), combs cody (Expandir a Pesquisa)
trait bond » trait blood (Expandir a Pesquisa), trait bdd (Expandir a Pesquisa), trait body (Expandir a Pesquisa)
kcl carlos » kuhl carlos (Expandir a Pesquisa), gil carlos (Expandir a Pesquisa), l carlos (Expandir a Pesquisa)
coli nrd » coli nad (Expandir a Pesquisa), coli new (Expandir a Pesquisa), coli n (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
5 metal » 5 methyl (Expandir a Pesquisa)
nunez » nunes (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 coli nrd ) OR ((( 5 metal complex trait bond ) OR ( 3.5 nacl kcl carlos nunez ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs coli nrd ) OR ((( 5 metal complex trait bond ) OR ( 3.5 nacl kcl carlos nunez ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs coli nrd ) OR ((( 5 metal complex trait bond ) OR ( 3.5 nacl kcl carlos nunez ))))*.