Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex tuyen » complex tube (Expandir a Pesquisa), complex tuber (Expandir a Pesquisa), complex tunes (Expandir a Pesquisa)
kuhl carlos » riehl carlos (Expandir a Pesquisa), diehl carlos (Expandir a Pesquisa)
combs pisa » combs lisa (Expandir a Pesquisa), combs via (Expandir a Pesquisa)
tuyen ngoc » nguyen ngoc (Expandir a Pesquisa), tuan ngoc (Expandir a Pesquisa), yen ngoc (Expandir a Pesquisa)
carlos noa » carlos noe (Expandir a Pesquisa), carlos nodal (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa)
nacl kuhl » nacl kcl (Expandir a Pesquisa)
pisa new » pisa e (Expandir a Pesquisa), pisa en (Expandir a Pesquisa), pisa de (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (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 pisa new ) or ((( 5 metal complex tuyen ngoc ) or ( 0.9 nacl kuhl carlos noa ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs pisa new ) OR ((( 5 metal complex tuyen ngoc ) OR ( 0.9 nacl kuhl carlos noa )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs pisa new ) or ((( 5 metal complex tuyen ngoc ) or ( 0.9 nacl kuhl carlos noa ))))*.