Talvez deva tentar algumas variações de ortografia:
complex concentrates » complex concentrate (Expandir a Pesquisa)
concentrates 2 » concentrates _ (Expandir a Pesquisa), concentrates a (Expandir a Pesquisa), concentrates i (Expandir a Pesquisa)
joint complex » joint computer (Expandir a Pesquisa)
pina carlos » pena carlos (Expandir a Pesquisa), pino carlos (Expandir a Pesquisa), pineda carlos (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
nacl pina » nacl na (Expandir a Pesquisa), nacl para (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (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 ((( _ joint complex concentrates 2 ) or ( 0.9 nacl pina carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs john n ) OR ((( _ joint complex concentrates 2 ) OR ( 0.9 nacl pina carlos nara ))))*.