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)
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)
kcl carlos » kuhl carlos (Expandir a Pesquisa), akel carlos (Expandir a Pesquisa), gil carlos (Expandir a Pesquisa)
5 mineral » 5 minimal (Expandir a Pesquisa)
trex ngoc » trieu ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa)
john noe » john noel (Expandir a Pesquisa), john noh (Expandir a Pesquisa), john noble (Expandir a Pesquisa)
l comps » m comps (Expandir a Pesquisa)
nacl » natl (Expandir a Pesquisa), nac (Expandir a Pesquisa), nucl (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 noe ) or ((( 5 mineral complex trex ngoc ) or ( 3.5 nacl kcl carlos noel ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comps john noe ) OR ((( 5 mineral complex trex ngoc ) OR ( 3.5 nacl kcl carlos noel )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comps john noe ) or ((( 5 mineral complex trex ngoc ) or ( 3.5 nacl kcl carlos noel ))))*.