Talvez deva tentar algumas variações de ortografia:
methyl complexes » metal complexes (Expandir a Pesquisa), metall complexes (Expandir a Pesquisa), methylase complexes (Expandir a Pesquisa)
complexes tris » complexes arise (Expandir a Pesquisa), complexes brisc (Expandir a Pesquisa), complex tris (Expandir a Pesquisa)
nuno carlos » nino carlos (Expandir a Pesquisa), nunes carlos (Expandir a Pesquisa), bueno carlos (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
tris ngoc » trinh ngoc (Expandir a Pesquisa), trieu ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
nacl nuno » nacl nano (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa), nacl mno (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)
nunez » nunes (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 n ) or ((( 5 methyl complexes tris ngoc ) or ( 3.5 nacl nuno carlos nunez ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs john n ) OR ((( 5 methyl complexes tris ngoc ) OR ( 3.5 nacl nuno carlos nunez )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs john n ) or ((( 5 methyl complexes tris ngoc ) or ( 3.5 nacl nuno carlos nunez ))))*.