Talvez deva tentar algumas variações de ortografia:
complex concept » complex concepts (Expandir a Pesquisa), complex context (Expandir a Pesquisa), complex connects (Expandir a Pesquisa)
coat complex » cobalt complex (Expandir a Pesquisa), joint complex (Expandir a Pesquisa), about complex (Expandir a Pesquisa)
carlos jara » carlos lara (Expandir a Pesquisa), carlos carla (Expandir a Pesquisa), carlos juca (Expandir a Pesquisa)
kcl carlos » kuhl carlos (Expandir a Pesquisa), gil carlos (Expandir a Pesquisa), l carlos (Expandir a Pesquisa)
concept a » concept _ (Expandir a Pesquisa)
e forbes » d forbes (Expandir a Pesquisa), c forbes (Expandir a Pesquisa), _ forbes (Expandir a Pesquisa)
john new » john agnew (Expandir a Pesquisa), john neil (Expandir a Pesquisa), john n (Expandir a Pesquisa)
0.9 natl » 0.9 nacl (Expandir a Pesquisa)
natl kcl » nacl kcl (Expandir a Pesquisa)
_ coat » _ coast (Expandir a Pesquisa), _ coal (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 e forbes john new ) or ((( _ coat complex concept a ) or ( 0.9 natl kcl carlos jara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e forbes john new ) OR ((( _ coat complex concept a ) OR ( 0.9 natl kcl carlos jara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e forbes john new ) or ((( _ coat complex concept a ) or ( 0.9 natl kcl carlos jara ))))*.