Talvez deva tentar algumas variações de ortografia:
complex concept » complex concepts (Expandir a Pesquisa), complex context (Expandir a Pesquisa), complex connects (Expandir a Pesquisa)
semino carlos » serrano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), emilio carlos (Expandir a Pesquisa)
hart complex » heart complex (Expandir a Pesquisa), hat complex (Expandir a Pesquisa), art complex (Expandir a Pesquisa)
combat boot » combat root (Expandir a Pesquisa), combat colon (Expandir a Pesquisa), combat ebola (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
boot need » about need (Expandir a Pesquisa), robot need (Expandir a Pesquisa), boot kees (Expandir a Pesquisa)
concept a » concept _ (Expandir a Pesquisa)
l combat » le combat (Expandir a Pesquisa), _ combat (Expandir a Pesquisa), a combat (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
_ hart » _ haart (Expandir a Pesquisa), _ hard (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 combat boot need ) or ((( _ hart complex concept a ) or ( 3.5 nacl semino carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combat boot need ) OR ((( _ hart complex concept a ) OR ( 3.5 nacl semino carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combat boot need ) or ((( _ hart complex concept a ) or ( 3.5 nacl semino carlos nara ))))*.