Talvez deva tentar algumas variações de ortografia:
mineral complex » several complex (Expandir a Pesquisa), central complex (Expandir a Pesquisa)
complex trex » complex tree (Expandir a Pesquisa), complex tetrex (Expandir a Pesquisa), complex tric (Expandir a Pesquisa)
knox carlos » knopf carlos (Expandir a Pesquisa), knox charles (Expandir a Pesquisa), knox carl (Expandir a Pesquisa)
carlos noel » carlos noe (Expandir a Pesquisa), carlos joel (Expandir a Pesquisa), carlos yoel (Expandir a Pesquisa)
comps john » copps john (Expandir a Pesquisa), combs john (Expandir a Pesquisa), comisi john (Expandir a Pesquisa)
john noble » johan noble (Expandir a Pesquisa), non noble (Expandir a Pesquisa), john noel (Expandir a Pesquisa)
5 mineral » _ mineral (Expandir a Pesquisa), a mineral (Expandir a Pesquisa), 2 mineral (Expandir a Pesquisa)
trex ngoc » trieu ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa)
nacl knox » nacl kno (Expandir a Pesquisa), nacl mno (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 m comps john noble ) or ((( 5 mineral complex trex ngoc ) or ( 3.5 nacl knox carlos noel ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m comps john noble ) OR ((( 5 mineral complex trex ngoc ) OR ( 3.5 nacl knox carlos noel )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m comps john noble ) or ((( 5 mineral complex trex ngoc ) or ( 3.5 nacl knox carlos noel ))))*.