Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex tail » complex trait (Expandir a Pesquisa), complex task (Expandir a Pesquisa), complex thin (Expandir a Pesquisa)
genes carlos » mendes carlos (Expandir a Pesquisa), guedes carlos (Expandir a Pesquisa), gomes carlos (Expandir a Pesquisa)
carlos nieto » carlos prieto (Expandir a Pesquisa), carlos nino (Expandir a Pesquisa), carlos newton (Expandir a Pesquisa)
colin neue » colin neil (Expandir a Pesquisa), colin nadege (Expandir a Pesquisa), colin newell (Expandir a Pesquisa)
nacl genes » lacl genes (Expandir a Pesquisa), scl genes (Expandir a Pesquisa), 4cl genes (Expandir a Pesquisa)
tail non » tailed non (Expandir a Pesquisa), tail bond (Expandir a Pesquisa), tail can (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
5 metal » 5 metil (Expandir a Pesquisa), 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 colin neue ) or ((( 5 metal complex tail non ) or ( 3.5 nacl genes carlos nieto ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs colin neue ) OR ((( 5 metal complex tail non ) OR ( 3.5 nacl genes carlos nieto )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs colin neue ) or ((( 5 metal complex tail non ) or ( 3.5 nacl genes carlos nieto ))))*.