Talvez deva tentar algumas variações de ortografia:
complex concepts » complex confers (Expandir a Pesquisa), complex controls (Expandir a Pesquisa), complex concentrates (Expandir a Pesquisa)
giant complex » plant complex (Expandir a Pesquisa), joint complex (Expandir a Pesquisa), fact complex (Expandir a Pesquisa)
pina carlos » pena carlos (Expandir a Pesquisa), pineda carlos (Expandir a Pesquisa), ospina 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)
concepts n » concepts en (Expandir a Pesquisa), concepts _ (Expandir a Pesquisa), concepts a (Expandir a Pesquisa)
nacl pina » nacl na (Expandir a Pesquisa), nacl para (Expandir a Pesquisa)
john new » john agnew (Expandir a Pesquisa), john neil (Expandir a Pesquisa), john n (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 new ) or ((( _ giant complex concepts n ) or ( 0.9 nacl pina carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs john new ) OR ((( _ giant complex concepts n ) OR ( 0.9 nacl pina carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs john new ) or ((( _ giant complex concepts n ) or ( 0.9 nacl pina carlos nara ))))*.