Talvez deva tentar algumas variações de ortografia:
mineral complex » several complex (Expandir a Pesquisa), central complex (Expandir a Pesquisa)
complex tuyen » complex tuber (Expandir a Pesquisa), complex tunes (Expandir a Pesquisa), complex tuning (Expandir a Pesquisa)
caro carlos » cardo carlos (Expandir a Pesquisa), faro carlos (Expandir a Pesquisa), castro carlos (Expandir a Pesquisa)
tuyen ngoc » nguyen ngoc (Expandir a Pesquisa), tuan ngoc (Expandir a Pesquisa), yen ngoc (Expandir a Pesquisa)
carlos noe » carlos noel (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa), carlos nojek (Expandir a Pesquisa)
dopp john » papp john (Expandir a Pesquisa), hipp john (Expandir a Pesquisa), rapp john (Expandir a Pesquisa)
john noel » john joel (Expandir a Pesquisa), john nigel (Expandir a Pesquisa), john neil (Expandir a Pesquisa)
nacl caro » nacl caso4 (Expandir a Pesquisa), nacl co (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa)
l dopp » l dopa (Expandir a Pesquisa), l dops (Expandir a Pesquisa), f dopp (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 dopp john noel ) or ((( _ mineral complex tuyen ngoc ) or ( 0.9 nacl caro carlos noe ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l dopp john noel ) OR ((( _ mineral complex tuyen ngoc ) OR ( 0.9 nacl caro carlos noe )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l dopp john noel ) or ((( _ mineral complex tuyen ngoc ) or ( 0.9 nacl caro carlos noe ))))*.