Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carlos nosek » carlos nojek (Expandir a Pesquisa), carlos noseda (Expandir a Pesquisa), carlos jose (Expandir a Pesquisa)
hobbs john » hobbs jean (Expandir a Pesquisa)
john neetu » john reetu (Expandir a Pesquisa), john neetha (Expandir a Pesquisa), john neena (Expandir a Pesquisa)
kno carlos » knopf carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
0.9 nucl » 0.9 nacl (Expandir a Pesquisa), 1.9 null (Expandir a Pesquisa)
nucl kno » nacl kno (Expandir a Pesquisa), nucl eng (Expandir a Pesquisa)
l hobbs » j hobbs (Expandir a Pesquisa), _ hobbs (Expandir a Pesquisa), m hobbs (Expandir a Pesquisa)
5 metal » 5 metil (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
ngoc » ngo (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 hobbs john neetu ) or ((( 5 metal complex tran ngoc ) or ( 0.9 nucl kno carlos nosek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l hobbs john neetu ) OR ((( 5 metal complex tran ngoc ) OR ( 0.9 nucl kno carlos nosek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l hobbs john neetu ) or ((( 5 metal complex tran ngoc ) or ( 0.9 nucl kno carlos nosek ))))*.