Talvez deva tentar algumas variações de ortografia:
complex concepts » complex confers (Expandir a Pesquisa), complex controls (Expandir a Pesquisa), complex concentrates (Expandir a Pesquisa)
combat colon » combat covid (Expandir a Pesquisa), combat boot (Expandir a Pesquisa)
carlos nardi » carlos menardi (Expandir a Pesquisa), carlos jardim (Expandir a Pesquisa), carlos neri (Expandir a Pesquisa)
hat complex » heart complex (Expandir a Pesquisa), hat complexes (Expandir a Pesquisa), coat complex (Expandir a Pesquisa)
nacl bacino » nel bacino (Expandir a Pesquisa)
concepts a » concepts _ (Expandir a Pesquisa)
colon new » colony new (Expandir a Pesquisa), color new (Expandir a Pesquisa), colon need (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
_ hat » _ has (Expandir a Pesquisa), _ han (Expandir a Pesquisa), _ hay (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 _ combat colon new ) or ((( _ hat complex concepts a ) or ( 7.5 nacl bacino carlos nardi ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combat colon new ) OR ((( _ hat complex concepts a ) OR ( 7.5 nacl bacino carlos nardi )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combat colon new ) or ((( _ hat complex concepts a ) or ( 7.5 nacl bacino carlos nardi ))))*.