Talvez deva tentar algumas variações de ortografia:
mineral complex » several complex (Expandir a Pesquisa), central complex (Expandir a Pesquisa)
knopf carlos » prof carlos (Expandir a Pesquisa)
complex tac » complex tap (Expandir a Pesquisa), complex tcc (Expandir a Pesquisa), complex tc (Expandir a Pesquisa)
copes john » scopes john (Expandir a Pesquisa), coles john (Expandir a Pesquisa), lopes john (Expandir a Pesquisa)
nacl knopf » nacl kno (Expandir a Pesquisa)
carlos noe » carlos noel (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa), carlos nojek (Expandir a Pesquisa)
2 mineral » 23 mineral (Expandir a Pesquisa), _ mineral (Expandir a Pesquisa), a mineral (Expandir a Pesquisa)
john noe » john noel (Expandir a Pesquisa), john noh (Expandir a Pesquisa), john noble (Expandir a Pesquisa)
tac ngoc » ta ngoc (Expandir a Pesquisa), tam ngoc (Expandir a Pesquisa), dac ngoc (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
l copes » _ copes (Expandir a Pesquisa), l coles (Expandir a Pesquisa), l cope (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 copes john noe ) or ((( 2 mineral complex tac ngoc ) or ( 3.5 nacl knopf carlos noe ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l copes john noe ) OR ((( 2 mineral complex tac ngoc ) OR ( 3.5 nacl knopf carlos noe )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l copes john noe ) or ((( 2 mineral complex tac ngoc ) or ( 3.5 nacl knopf carlos noe ))))*.