Talvez deva tentar algumas variações de ortografia:
complex trait » complex traits (Expandir a Pesquisa)
metal complex » metal complexes (Expandir a Pesquisa)
carlos nino » carlos patino (Expandir a Pesquisa), carlos merino (Expandir a Pesquisa), carlos nunez (Expandir a Pesquisa)
comes john » combes john (Expandir a Pesquisa), coles john (Expandir a Pesquisa), tomes john (Expandir a Pesquisa)
john agnew » john bagnell (Expandir a Pesquisa)
kno carlos » knopf carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
trait co » trait can (Expandir a Pesquisa), trait _ (Expandir a Pesquisa), trait a (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
nacl kno » nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa)
e comes » de comes (Expandir a Pesquisa), e combes (Expandir a Pesquisa), e combs (Expandir a Pesquisa)
5 metal » 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 e comes john agnew ) or ((( 5 metal complex trait co ) or ( 3.5 nacl kno carlos nino ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e comes john agnew ) OR ((( 5 metal complex trait co ) OR ( 3.5 nacl kno carlos nino )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e comes john agnew ) or ((( 5 metal complex trait co ) or ( 3.5 nacl kno carlos nino ))))*.