Talvez deva tentar algumas variações de ortografia:
complex stone » complex stones (Expandir a Pesquisa), complex tone (Expandir a Pesquisa), complex stroke (Expandir a Pesquisa)
diehl carlos » riehl carlos (Expandir a Pesquisa), diehl charles (Expandir a Pesquisa), diehl carl (Expandir a Pesquisa)
met complex » yet complex (Expandir a Pesquisa), set complex (Expandir a Pesquisa), metal complex (Expandir a Pesquisa)
stone tony » stone toby (Expandir a Pesquisa), stone tool (Expandir a Pesquisa), stone todd (Expandir a Pesquisa)
natl diehl » natalia diehl (Expandir a Pesquisa)
3.5 natl » 3.5 nacl (Expandir a Pesquisa), 7.5 nacl (Expandir a Pesquisa), 3.5 fat (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
combs c » combs _ (Expandir a Pesquisa)
c neu » 2 neu (Expandir a Pesquisa)
5 met » 5 meo (Expandir a Pesquisa), 5 mev (Expandir a Pesquisa), 5 mec (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 combs c neu ) OR ((( 5 met complex stone tony ) OR ( 3.5 natl diehl carlos negrao ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs c neu ) OR ((( 5 met complex stone tony ) OR ( 3.5 natl diehl carlos negrao ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs c neu ) OR ((( 5 met complex stone tony ) OR ( 3.5 natl diehl carlos negrao ))))*.