Talvez deva tentar algumas variações de ortografia:
metals complex » metal complex (Expandir a Pesquisa), metals complexes (Expandir a Pesquisa), metals coupled (Expandir a Pesquisa)
complex than » complex trait (Expandir a Pesquisa)
carlos carla » carlos camila (Expandir a Pesquisa), carlos calva (Expandir a Pesquisa), carlos caro (Expandir a Pesquisa)
kno carlos » knopf carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
c.m reach » c.m bach (Expandir a Pesquisa)
reach new » reaches new (Expandir a Pesquisa), reaching new (Expandir a Pesquisa)
5 metals » 5 metal (Expandir a Pesquisa), 5 meters (Expandir a Pesquisa), 5 meta (Expandir a Pesquisa)
than ngo » thang ngo (Expandir a Pesquisa), thanh ngo (Expandir a Pesquisa), thuan ngo (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
nacl kno » nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa)
l c.m » l com (Expandir a Pesquisa), l cam (Expandir a Pesquisa), _ c.m (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 c.m reach new ) or ((( 5 metals complex than ngo ) or ( 3.5 nacl kno carlos carla ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l c.m reach new ) OR ((( 5 metals complex than ngo ) OR ( 3.5 nacl kno carlos carla )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l c.m reach new ) or ((( 5 metals complex than ngo ) or ( 3.5 nacl kno carlos carla ))))*.