Talvez deva tentar algumas variações de ortografia:
ferrer carlos » ferreira carlos (Expandir a Pesquisa), herrera carlos (Expandir a Pesquisa), herrero carlos (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carlos coser » carlos costa (Expandir a Pesquisa), carlos correa (Expandir a Pesquisa), carlos cortes (Expandir a Pesquisa)
fei complex » feio complex (Expandir a Pesquisa), pei complex (Expandir a Pesquisa), fsi complex (Expandir a Pesquisa)
nacl ferrer » noel ferrer (Expandir a Pesquisa), raul ferrer (Expandir a Pesquisa), val ferrer (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
alan a » alan _ (Expandir a Pesquisa), alan b (Expandir a Pesquisa)
_ fei » _ few (Expandir a Pesquisa), _ fed (Expandir a Pesquisa), _ fee (Expandir a Pesquisa)
ngoc » ngo (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 _ cooper alan a ) or ((( _ fei complex tran ngoc ) or ( 7.5 nacl ferrer carlos coser ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ cooper alan a ) OR ((( _ fei complex tran ngoc ) OR ( 7.5 nacl ferrer carlos coser )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ cooper alan a ) or ((( _ fei complex tran ngoc ) or ( 7.5 nacl ferrer carlos coser ))))*.