Talvez deva tentar algumas variações de ortografia:
complex connects » complex concepts (Expandir a Pesquisa), complex connection (Expandir a Pesquisa), complex confers (Expandir a Pesquisa)
plant complex » giant complex (Expandir a Pesquisa), joint complex (Expandir a Pesquisa), platinum complex (Expandir a Pesquisa)
nano carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), nuno carlos (Expandir a Pesquisa)
carlos lara » carlos lima (Expandir a Pesquisa), carlos lacerda (Expandir a Pesquisa), carlos lazaro (Expandir a Pesquisa)
connects _ » connections _ (Expandir a Pesquisa)
nacl nano » nacl kno (Expandir a Pesquisa), nacl nabr (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 ((( _ plant complex connects _ ) or ( 0.9 nacl nano carlos lara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l coombs john new ) OR ((( _ plant complex connects _ ) OR ( 0.9 nacl nano carlos lara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coombs john new ) or ((( _ plant complex connects _ ) or ( 0.9 nacl nano carlos lara ))))*.