Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex tail » complex task (Expandir a Pesquisa), complex thin (Expandir a Pesquisa), complex tap (Expandir a Pesquisa)
carlos nunes » carlos nunez (Expandir a Pesquisa), santos nunes (Expandir a Pesquisa)
gal carlos » gual carlos (Expandir a Pesquisa), gala carlos (Expandir a Pesquisa), gil carlos (Expandir a Pesquisa)
colin net » colin neil (Expandir a Pesquisa), colin n (Expandir a Pesquisa), colin n.a (Expandir a Pesquisa)
tail can » trail can (Expandir a Pesquisa), nail can (Expandir a Pesquisa), tail ca (Expandir a Pesquisa)
nacl gal » nacl salt (Expandir a Pesquisa), nacl cacl (Expandir a Pesquisa), nacl kcl (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)

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 colin net ) or ((( 5 metal complex tail can ) or ( 3.5 nacl gal carlos nunes ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs colin net ) OR ((( 5 metal complex tail can ) OR ( 3.5 nacl gal carlos nunes )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs colin net ) or ((( 5 metal complex tail can ) or ( 3.5 nacl gal carlos nunes ))))*.