Talvez deva tentar algumas variações de ortografia:
semino carlos » serrano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), emilio carlos (Expandir a Pesquisa)
metal complex » metal complexes (Expandir a Pesquisa)
complex time » complex tissue (Expandir a Pesquisa), complex tones (Expandir a Pesquisa), complex three (Expandir a Pesquisa)
carlos nino » carlos patino (Expandir a Pesquisa), carlos merino (Expandir a Pesquisa), carlos nunez (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
john agnes » john agnew (Expandir a Pesquisa), john bagnell (Expandir a Pesquisa)
time ngoc » time non (Expandir a Pesquisa), kim ngoc (Expandir a Pesquisa), time nor (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)

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 agnes ) or ((( 5 metal complex time ngoc ) or ( 3.5 nacl semino carlos nino ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs john agnes ) OR ((( 5 metal complex time ngoc ) OR ( 3.5 nacl semino carlos nino )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs john agnes ) or ((( 5 metal complex time ngoc ) or ( 3.5 nacl semino carlos nino ))))*.