Talvez deva tentar algumas variações de ortografia:
mineral complex » several complex (Expandir a Pesquisa), central complex (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carlos noel » carlos joel (Expandir a Pesquisa), carlos noe (Expandir a Pesquisa), carlos yoel (Expandir a Pesquisa)
comps john » copps john (Expandir a Pesquisa), combs john (Expandir a Pesquisa), camps johan (Expandir a Pesquisa)
john noble » johan noble (Expandir a Pesquisa), non noble (Expandir a Pesquisa), john noel (Expandir a Pesquisa)
kno carlos » knopf carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
2 mineral » 23 mineral (Expandir a Pesquisa), _ mineral (Expandir a Pesquisa), a mineral (Expandir a Pesquisa)
natl kno » nacl kno (Expandir a Pesquisa)
l comps » m comps (Expandir a Pesquisa)
3 natl » 3 nacl (Expandir a Pesquisa), 3 nail (Expandir a Pesquisa), _ natl (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 l comps john noble ) or ((( 2 mineral complex tran ngoc ) or ( 3 natl kno carlos noel ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comps john noble ) OR ((( 2 mineral complex tran ngoc ) OR ( 3 natl kno carlos noel )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comps john noble ) or ((( 2 mineral complex tran ngoc ) or ( 3 natl kno carlos noel ))))*.