Talvez deva tentar algumas variações de ortografia:
complex concept » complex concepts (Expandir a Pesquisa), complex context (Expandir a Pesquisa), complex connects (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)
concept n » concept _ (Expandir a Pesquisa), concept a (Expandir a Pesquisa), concept 2 (Expandir a Pesquisa)
nacl pina » nacl na (Expandir a Pesquisa), nacl para (Expandir a Pesquisa)
l coombs » l coombes (Expandir a Pesquisa), g coombs (Expandir a Pesquisa), _ coombs (Expandir a Pesquisa)
john new » john agnew (Expandir a Pesquisa), john neil (Expandir a Pesquisa), john n (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 coombs john new ) or ((( _ giant complex concept n ) or ( 0.9 nacl pina carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l coombs john new ) OR ((( _ giant complex concept n ) OR ( 0.9 nacl pina carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coombs john new ) or ((( _ giant complex concept n ) or ( 0.9 nacl pina carlos nara ))))*.