Talvez deva tentar algumas variações de ortografia:
complexes thach » complexes attach (Expandir a Pesquisa), complexes each (Expandir a Pesquisa), complexes tacs (Expandir a Pesquisa)
knopf carlos » prof carlos (Expandir a Pesquisa)
combs bacon » com bacon (Expandir a Pesquisa), combs jason (Expandir a Pesquisa), combs brandon (Expandir a Pesquisa)
i complexes » ii complexes (Expandir a Pesquisa), iii complexes (Expandir a Pesquisa)
carlos lara » carlos lima (Expandir a Pesquisa), carlos lazaro (Expandir a Pesquisa), carlos lessa (Expandir a Pesquisa)
thach ngoc » thanh ngoc (Expandir a Pesquisa), thai ngoc (Expandir a Pesquisa), khanh ngoc (Expandir a Pesquisa)
nacl knopf » nacl kno (Expandir a Pesquisa)
bacon new » bacon's new (Expandir a Pesquisa), bacon neil (Expandir a Pesquisa), bacon e (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j _ combs bacon new ) OR ((( _ i complexes thach ngoc ) OR ( 3.5 nacl knopf carlos lara ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs bacon new ) OR ((( _ i complexes thach ngoc ) OR ( 3.5 nacl knopf carlos lara ))))*.