Talvez deva tentar algumas variações de ortografia:
complexes track » complexes eracs (Expandir a Pesquisa), complexes tacs (Expandir a Pesquisa), complexes act (Expandir a Pesquisa)
nabr carlos » najar carlos (Expandir a Pesquisa), nader carlos (Expandir a Pesquisa), jair carlos (Expandir a Pesquisa)
carlos jara » carlos lara (Expandir a Pesquisa), carlos carla (Expandir a Pesquisa), carlos juca (Expandir a Pesquisa)
track ngoc » tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa), trang ngoc (Expandir a Pesquisa)
nucl nabr » nacl nabr (Expandir a Pesquisa)
3.5 nucl » 3.5 nacl (Expandir a Pesquisa), 34.5 null (Expandir a Pesquisa), 3 nucl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
combs c » combs _ (Expandir a Pesquisa)
5 metal » 5 methyl (Expandir a Pesquisa)
c new » a new (Expandir a Pesquisa), _ new (Expandir a Pesquisa), c neu (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 c new ) or ((( 5 metal complexes track ngoc ) or ( 3.5 nucl nabr carlos jara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs c new ) OR ((( 5 metal complexes track ngoc ) OR ( 3.5 nucl nabr carlos jara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs c new ) or ((( 5 metal complexes track ngoc ) or ( 3.5 nucl nabr carlos jara ))))*.