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)
carlos nocek » carlos nojek (Expandir a Pesquisa), carlos noceda (Expandir a Pesquisa), carlos nick (Expandir a Pesquisa)
lage carlos » lange carlos (Expandir a Pesquisa), sage carlos (Expandir a Pesquisa), lagos carlos (Expandir a Pesquisa)
hobbs john » hobbs jean (Expandir a Pesquisa)
john neena » jain neena (Expandir a Pesquisa)
tail ngoc » tai ngoc (Expandir a Pesquisa), tail non (Expandir a Pesquisa)
nacl lage » nacl have (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)

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 neena ) or ((( 5 metal complex tail ngoc ) or ( 0.9 nacl lage carlos nocek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l hobbs john neena ) OR ((( 5 metal complex tail ngoc ) OR ( 0.9 nacl lage carlos nocek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l hobbs john neena ) or ((( 5 metal complex tail ngoc ) or ( 0.9 nacl lage carlos nocek ))))*.