Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex tuyen » complex tuber (Expandir a Pesquisa), complex tunes (Expandir a Pesquisa), complex tuning (Expandir a Pesquisa)
kuhl carlos » riehl carlos (Expandir a Pesquisa), diehl carlos (Expandir a Pesquisa)
carlos nora » carlos mora (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa)
combs lisa » ooms lisa (Expandir a Pesquisa), combs like (Expandir a Pesquisa), combs elijah (Expandir a Pesquisa)
tuyen ngoc » nguyen ngoc (Expandir a Pesquisa), tuan ngoc (Expandir a Pesquisa), yen ngoc (Expandir a Pesquisa)
nacl kuhl » nacl kcl (Expandir a Pesquisa)
lisa new » pisa new (Expandir a Pesquisa), lisa n (Expandir a Pesquisa), lisa ns (Expandir a Pesquisa)
5 metal » 5 metil (Expandir a Pesquisa), 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 _ combs lisa new ) or ((( 5 metal complex tuyen ngoc ) or ( 0.9 nacl kuhl carlos nora ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs lisa new ) OR ((( 5 metal complex tuyen ngoc ) OR ( 0.9 nacl kuhl carlos nora )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs lisa new ) or ((( 5 metal complex tuyen ngoc ) or ( 0.9 nacl kuhl carlos nora ))))*.