Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
semino carlos » serrano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), emilio carlos (Expandir a Pesquisa)
complex tap » complex than (Expandir a Pesquisa), complex task (Expandir a Pesquisa), complex tear (Expandir a Pesquisa)
carlos jara » carlos lara (Expandir a Pesquisa), carlos carla (Expandir a Pesquisa), carlos juca (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
john asnet » john agnew (Expandir a Pesquisa), john asger (Expandir a Pesquisa), john agnes (Expandir a Pesquisa)
tap ngoc » ta ngoc (Expandir a Pesquisa), tam ngoc (Expandir a Pesquisa), tai ngoc (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
5 metal » 5 methyl (Expandir a Pesquisa)
nacl » natl (Expandir a Pesquisa), nac (Expandir a Pesquisa), nucl (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 asnet ) or ((( 5 metal complex tap ngoc ) or ( 0.9 nacl semino carlos jara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs john asnet ) OR ((( 5 metal complex tap ngoc ) OR ( 0.9 nacl semino carlos jara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs john asnet ) or ((( 5 metal complex tap ngoc ) or ( 0.9 nacl semino carlos jara ))))*.