Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex pham » complex phase (Expandir a Pesquisa), complex phage (Expandir a Pesquisa), complex pa (Expandir a Pesquisa)
combs bacon » com bacon (Expandir a Pesquisa), combs jason (Expandir a Pesquisa), combs brandon (Expandir a Pesquisa)
mno carlos » magno carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
carlos naa » carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa)
bacon new » bacon's new (Expandir a Pesquisa), bacon neil (Expandir a Pesquisa), bacon e (Expandir a Pesquisa)
nacl mno » nacl kno (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa)
5 metal » 5 metil (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
ngoc » ngo (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 _ combs bacon new ) or ((( 5 metal complex pham ngoc ) or ( 0.9 nacl mno carlos naa ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs bacon new ) OR ((( 5 metal complex pham ngoc ) OR ( 0.9 nacl mno carlos naa )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs bacon new ) or ((( 5 metal complex pham ngoc ) or ( 0.9 nacl mno carlos naa ))))*.