Talvez deva tentar algumas variações de ortografia:
metals coupled » metal coupled (Expandir a Pesquisa), metals complex (Expandir a Pesquisa), methods coupled (Expandir a Pesquisa)
coupled stones » coupled states (Expandir a Pesquisa), coupled histone (Expandir a Pesquisa), coupled strings (Expandir a Pesquisa)
carlos nejar » carlos negrao (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa)
kuhl carlos » gual carlos (Expandir a Pesquisa), riehl carlos (Expandir a Pesquisa), diehl carlos (Expandir a Pesquisa)
stones non » stones nani (Expandir a Pesquisa), stones can (Expandir a Pesquisa), stones how (Expandir a Pesquisa)
nacl kuhl » nacl kcl (Expandir a Pesquisa)
5 metals » 5 metal (Expandir a Pesquisa), 5 meters (Expandir a Pesquisa), 5 meta (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)

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 _ new ) or ((( 5 metals coupled stones non ) or ( 3.5 nacl kuhl carlos nejar ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs _ new ) OR ((( 5 metals coupled stones non ) OR ( 3.5 nacl kuhl carlos nejar )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs _ new ) or ((( 5 metals coupled stones non ) or ( 3.5 nacl kuhl carlos nejar ))))*.