Talvez deva tentar algumas variações de ortografia:
carlos roberto » carlos alberto (Expandir a Pesquisa)
metal complex » metal complexes (Expandir a Pesquisa)
complex tail » complex trait (Expandir a Pesquisa), complex task (Expandir a Pesquisa), complex thin (Expandir a Pesquisa)
jean carlos » juan carlos (Expandir a Pesquisa)
comes can » homes can (Expandir a Pesquisa), comes carne (Expandir a Pesquisa), comes clean (Expandir a Pesquisa)
tail ngoc » tai ngoc (Expandir a Pesquisa), tail non (Expandir a Pesquisa)
nacl jean » nacl en (Expandir a Pesquisa), nacl meat (Expandir a Pesquisa)
e comes » de comes (Expandir a Pesquisa), e combes (Expandir a Pesquisa), e combs (Expandir a Pesquisa)
can nee » chan nee (Expandir a Pesquisa), can new (Expandir a Pesquisa), van nee (Expandir a Pesquisa)
5 metal » 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 e comes can nee ) or ((( 5 metal complex tail ngoc ) or ( 0.9 nacl jean carlos roberto ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e comes can nee ) OR ((( 5 metal complex tail ngoc ) OR ( 0.9 nacl jean carlos roberto )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e comes can nee ) or ((( 5 metal complex tail ngoc ) or ( 0.9 nacl jean carlos roberto ))))*.