Talvez deva tentar algumas variações de ortografia:
castillo carlos » castro carlos (Expandir a Pesquisa)
complex banach » complex balance (Expandir a Pesquisa), complex binary (Expandir a Pesquisa), convex banach (Expandir a Pesquisa)
metil complex » metal complex (Expandir a Pesquisa), metals complex (Expandir a Pesquisa), met complex (Expandir a Pesquisa)
raul castillo » paul castillo (Expandir a Pesquisa), raquel castillo (Expandir a Pesquisa), raul carrillo (Expandir a Pesquisa)
banach ngoc » banach nao (Expandir a Pesquisa)
carlos now » carlos noe (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa), carlos novo (Expandir a Pesquisa)
l comes » l comps (Expandir a Pesquisa), l coles (Expandir a Pesquisa), l comas (Expandir a Pesquisa)
comes c » comes _ (Expandir a Pesquisa), comes a (Expandir a Pesquisa), comes e (Expandir a Pesquisa)
5 metil » 5 methyl (Expandir a Pesquisa)
_ raul » _ raut (Expandir a Pesquisa)
c net » c neto (Expandir a Pesquisa), _ net (Expandir a Pesquisa), u net (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 comes c net ) or ((( 5 metil complex banach ngoc ) or ( _ raul castillo carlos now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comes c net ) OR ((( 5 metil complex banach ngoc ) OR ( _ raul castillo carlos now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comes c net ) or ((( 5 metil complex banach ngoc ) or ( _ raul castillo carlos now ))))*.