Talvez deva tentar algumas variações de ortografia:
complexes studies » complexes studied (Expandir a Pesquisa), complex studies (Expandir a Pesquisa), complex studied (Expandir a Pesquisa)
studies many » studies may (Expandir a Pesquisa), studies men (Expandir a Pesquisa), studies made (Expandir a Pesquisa)
diehl carlos » riehl carlos (Expandir a Pesquisa), diehl charles (Expandir a Pesquisa), diego carlos (Expandir a Pesquisa)
nacl diehl » nacl diet (Expandir a Pesquisa), marcel diehl (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
l comps » m comps (Expandir a Pesquisa)
comps c » camps c (Expandir a Pesquisa), comps i (Expandir a Pesquisa), comps b (Expandir a Pesquisa)
5 metal » 5 metil (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
c nee » c need (Expandir a Pesquisa), c neel (Expandir a Pesquisa), c neu (Expandir a Pesquisa)
negrao » negras (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 comps c nee ) or ((( 5 metal complexes studies many ) or ( 3.5 nacl diehl carlos negrao ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comps c nee ) OR ((( 5 metal complexes studies many ) OR ( 3.5 nacl diehl carlos negrao )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comps c nee ) or ((( 5 metal complexes studies many ) or ( 3.5 nacl diehl carlos negrao ))))*.