Talvez deva tentar algumas variações de ortografia:
ziehl carlos » riehl carlos (Expandir a Pesquisa), diehl carlos (Expandir a Pesquisa), michel carlos (Expandir a Pesquisa)
complex thin » complex than (Expandir a Pesquisa), complex within (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
oil complex » msl complex (Expandir a Pesquisa), cell complex (Expandir a Pesquisa)
carlos noel » carlos joel (Expandir a Pesquisa), carlos noe (Expandir a Pesquisa), carlos yoel (Expandir a Pesquisa)
campo novo » campo nativo (Expandir a Pesquisa), caminho novo (Expandir a Pesquisa)
nacl ziehl » paul ziehl (Expandir a Pesquisa)
thin ngo » thien ngo (Expandir a Pesquisa), thinh ngo (Expandir a Pesquisa), thi ngo (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
l campo » el campo (Expandir a Pesquisa), al campo (Expandir a Pesquisa), l campos (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 campo novo neil ) or ((( _ oil complex thin ngo ) or ( 3.5 nacl ziehl carlos noel ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l campo novo neil ) OR ((( _ oil complex thin ngo ) OR ( 3.5 nacl ziehl carlos noel )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l campo novo neil ) or ((( _ oil complex thin ngo ) or ( 3.5 nacl ziehl carlos noel ))))*.