Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
coombes john » coombs john (Expandir a Pesquisa), coombes jason (Expandir a Pesquisa), forbes john (Expandir a Pesquisa)
complex bich » complex birth (Expandir a Pesquisa), complex bio (Expandir a Pesquisa), complex bis (Expandir a Pesquisa)
nine carlos » nino carlos (Expandir a Pesquisa), nin carlos (Expandir a Pesquisa), gine carlos (Expandir a Pesquisa)
carlos nar » carlos nara (Expandir a Pesquisa), carlos nejar (Expandir a Pesquisa), carlos nardi (Expandir a Pesquisa)
l coombes » k coombes (Expandir a Pesquisa), l coomber (Expandir a Pesquisa), m coombes (Expandir a Pesquisa)
john none » john jones (Expandir a Pesquisa), john honek (Expandir a Pesquisa), john lones (Expandir a Pesquisa)
nacl nine » nacl nano (Expandir a Pesquisa), nacl tcne (Expandir a Pesquisa)
bich ngo » bich ngoc (Expandir a Pesquisa), bich nga (Expandir a Pesquisa), bic ngo (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (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 coombes john none ) OR ((( _ metal complex bich ngo ) OR ( 7.5 nacl nine carlos nar ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l coombes john none ) OR ((( _ metal complex bich ngo ) OR ( 7.5 nacl nine carlos nar ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coombes john none ) OR ((( _ metal complex bich ngo ) OR ( 7.5 nacl nine carlos nar ))))*.