Talvez deva tentar algumas variações de ortografia:
mineral complex » several complex (Expandir a Pesquisa), central complex (Expandir a Pesquisa)
complex tree » complex three (Expandir a Pesquisa), complex trex (Expandir a Pesquisa), complex trace (Expandir a Pesquisa)
nano carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), nuno carlos (Expandir a Pesquisa)
carlos noe » carlos noel (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa), carlos nojek (Expandir a Pesquisa)
comps non » comps con (Expandir a Pesquisa), corps non (Expandir a Pesquisa), comps los (Expandir a Pesquisa)
2 mineral » 23 mineral (Expandir a Pesquisa), _ mineral (Expandir a Pesquisa), a mineral (Expandir a Pesquisa)
tree ngoc » trieu ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), tien ngoc (Expandir a Pesquisa)
nacl nano » nacl kno (Expandir a Pesquisa), nacl nabr (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 non noble ) or ((( 2 mineral complex tree ngoc ) or ( 0.9 nacl nano carlos noe ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m comps non noble ) OR ((( 2 mineral complex tree ngoc ) OR ( 0.9 nacl nano carlos noe )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m comps non noble ) or ((( 2 mineral complex tree ngoc ) or ( 0.9 nacl nano carlos noe ))))*.