Talvez deva tentar algumas variações de ortografia:
complex three » complex than (Expandir a Pesquisa), complex tones (Expandir a Pesquisa)
metal complex » metal complexes (Expandir a Pesquisa)
carlos patino » carlos patricio (Expandir a Pesquisa), carlos pardo (Expandir a Pesquisa)
nabr carlos » najar carlos (Expandir a Pesquisa), nader carlos (Expandir a Pesquisa), mar carlos (Expandir a Pesquisa)
comes upon » cones upon (Expandir a Pesquisa), homes upon (Expandir a Pesquisa), comes up (Expandir a Pesquisa)
nacl nabr » nacl kbr (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa)
upon net » upon neo (Expandir a Pesquisa), upon new (Expandir a Pesquisa), upon near (Expandir a Pesquisa)
e comes » de comes (Expandir a Pesquisa), e combes (Expandir a Pesquisa), e combs (Expandir a Pesquisa)
5 metal » 5 methyl (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 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 e comes upon net ) or ((( 5 metal complex three new ) or ( 3 nacl nabr carlos patino ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e comes upon net ) OR ((( 5 metal complex three new ) OR ( 3 nacl nabr carlos patino )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e comes upon net ) or ((( 5 metal complex three new ) or ( 3 nacl nabr carlos patino ))))*.