Talvez deva tentar algumas variações de ortografia:
knecht carlos » knecht carolin (Expandir a Pesquisa)
metil complex » metal complex (Expandir a Pesquisa), metals complex (Expandir a Pesquisa), met complex (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carlos jara » carlos lara (Expandir a Pesquisa), carlos carla (Expandir a Pesquisa), carlos juca (Expandir a Pesquisa)
c.m bach » c.m bacon (Expandir a Pesquisa)
bach new » each new (Expandir a Pesquisa), reach new (Expandir a Pesquisa), teach new (Expandir a Pesquisa)
tran ngo » tran ngoc (Expandir a Pesquisa), tran ngon (Expandir a Pesquisa), trang ngo (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
5 metil » 5 methyl (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 bach new ) or ((( 5 metil complex tran ngo ) or ( 3.5 nacl knecht carlos jara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l c.m bach new ) OR ((( 5 metil complex tran ngo ) OR ( 3.5 nacl knecht carlos jara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l c.m bach new ) or ((( 5 metil complex tran ngo ) or ( 3.5 nacl knecht carlos jara ))))*.