Talvez deva tentar algumas variações de ortografia:
complex trad » complex trait (Expandir a Pesquisa), complex trial (Expandir a Pesquisa), complex trans (Expandir a Pesquisa)
pal complex » apical complex (Expandir a Pesquisa), metal complex (Expandir a Pesquisa), basal complex (Expandir a Pesquisa)
campos cos » campos com (Expandir a Pesquisa), campos coy (Expandir a Pesquisa), campos con (Expandir a Pesquisa)
kcl carlos » kuhl carlos (Expandir a Pesquisa), gil carlos (Expandir a Pesquisa), l carlos (Expandir a Pesquisa)
carlos noe » carlos noel (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa), carlos nojek (Expandir a Pesquisa)
trad hugo » tran hugo (Expandir a Pesquisa), strand hugo (Expandir a Pesquisa), prado hugo (Expandir a Pesquisa)
cos net » cors net (Expandir a Pesquisa), does net (Expandir a Pesquisa), rios net (Expandir a Pesquisa)
_ pal » _ pay (Expandir a Pesquisa), _ pan (Expandir a Pesquisa), _ pap (Expandir a Pesquisa)
nacl » nac (Expandir a Pesquisa), nucl (Expandir a Pesquisa), nail (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 a campos cos net ) or ((( _ pal complex trad hugo ) or ( m (nacl OR natl) kcl carlos noe ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j a campos cos net ) OR ((( _ pal complex trad hugo ) OR ( m (nacl OR natl) kcl carlos noe ))))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j a campos cos net ) or ((( _ pal complex trad hugo ) or ( m (nacl OR natl) kcl carlos noe ))))*".