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)
knopf carlos » prof carlos (Expandir a Pesquisa)
carlos nojek » carlos nunez (Expandir a Pesquisa), carlos nunes (Expandir a Pesquisa), carlos nejar (Expandir a Pesquisa)
coles john » cole john (Expandir a Pesquisa), coates john (Expandir a Pesquisa), powles john (Expandir a Pesquisa)
23 mineral » 2 mineral (Expandir a Pesquisa), _ mineral (Expandir a Pesquisa), a mineral (Expandir a Pesquisa)
nacl knopf » nacl kno (Expandir a Pesquisa)
john noe » john noel (Expandir a Pesquisa), john noh (Expandir a Pesquisa), john noble (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
l coles » l cole (Expandir a Pesquisa), l coley (Expandir a Pesquisa), l collet (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 coles john noe ) or ((( 23 mineral complex tran ngoc ) or ( 7.5 nacl knopf carlos nojek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l coles john noe ) OR ((( 23 mineral complex tran ngoc ) OR ( 7.5 nacl knopf carlos nojek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coles john noe ) or ((( 23 mineral complex tran ngoc ) or ( 7.5 nacl knopf carlos nojek ))))*.