Talvez deva tentar algumas variações de ortografia:
complex concept » complex concepts (Expandir a Pesquisa), complex context (Expandir a Pesquisa), complex connects (Expandir a Pesquisa)
hobbs megan » hobbs jean (Expandir a Pesquisa), gibbs megan (Expandir a Pesquisa)
ifn complex » ion complex (Expandir a Pesquisa), iron complex (Expandir a Pesquisa), can complex (Expandir a Pesquisa)
nabr carlos » jair carlos (Expandir a Pesquisa), aybar carlos (Expandir a Pesquisa), bauer carlos (Expandir a Pesquisa)
carlos lara » carlos lima (Expandir a Pesquisa), carlos lazaro (Expandir a Pesquisa), carlos lessa (Expandir a Pesquisa)
megan new » megan noel (Expandir a Pesquisa), megan e (Expandir a Pesquisa), megan n (Expandir a Pesquisa)
nacl nabr » nacl kbr (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa), nacl naoh (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)
l hobbs » j hobbs (Expandir a Pesquisa), _ hobbs (Expandir a Pesquisa), m hobbs (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 hobbs megan new ) or ((( _ ifn complex concept _ ) or ( 0.9 nacl nabr carlos lara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l hobbs megan new ) OR ((( _ ifn complex concept _ ) OR ( 0.9 nacl nabr carlos lara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l hobbs megan new ) or ((( _ ifn complex concept _ ) or ( 0.9 nacl nabr carlos lara ))))*.