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 john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
john neetu » john reetu (Expandir a Pesquisa), john neetha (Expandir a Pesquisa), john neena (Expandir a Pesquisa)
carl rojek » mary rojek (Expandir a Pesquisa), carlos nojek (Expandir a Pesquisa)
nacl knox » nacl kno (Expandir a Pesquisa), paul knox (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa)
knox carl » knox daryl (Expandir a Pesquisa), knox paul (Expandir a Pesquisa), knox ball (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (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 l combs john neetu ) or ((( 5 metal complex pham ngoc ) or ( 3.5 nacl knox carl rojek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs john neetu ) OR ((( 5 metal complex pham ngoc ) OR ( 3.5 nacl knox carl rojek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs john neetu ) or ((( 5 metal complex pham ngoc ) or ( 3.5 nacl knox carl rojek ))))*.